The document discusses climate change and technologies that could help mitigate its effects. It presents two questions and answers about the water cycle and carbon dioxide absorption. The first question explains how water evaporates from the oceans and falls as rain, allowing life on Earth. The second question notes that plants absorb carbon dioxide and release oxygen and nutrients, and that a balanced diet with different nutrients is important.

2.      



 
         
        
          
 
 
 
 
   

      
 

 
 
 
 
           


 
 
         
 

         



          
 
           
 

 
 
 
         

             





  
 
 
 

 
 
 


 
 


         
 


  

3.  

 
 
 
       

 


       




       

      
       
       


 
         
 
          
              
 
   
 

 
 
  
   
           

 
       

 
  
 
 
        
 
 
  

4.  
 
          
 
 
 
      
 
        
       
      
 
 
            
    



  
 
 
 

 
 


 
        


 
 

        
 


 
 
 
 
 
 
 
          
         
 
       

              
         
        
 

 
            
 
        
 
   
 
  
         
   
 
  

5.  


         
 

 
         


               
       
    
         



            
 

 

     




       
      

          
           

         
 

       
 
            
          
   
       

         
 
 
  


        
 

            
 
  
 
         
  
 
  

6.  




  
        
         
  

 

       
 
         


         
       


  





  
 
       
 
  
      



 
 


       












 
 
 

 

          

        
  

7.  
  
       
      
        
 

  
 

  
        


      
  

     







 
 


  

        
 
 
 


 
         
 
        




         

     

  
        
  
         


        


         
   
  

8.  
 
  



       

 
 
 
 
 
         
 
           
 

 
  
       
  
 
 
        
  
  
         













  
      

 
 
  
 
  
 
 
  
   
  
 
 
 

  

9.  
 

        

 
          
        


 
               

     



 
          
 
 

 

 

          
       
 
     
      

      
      
 

        
          
       
       

       
 
         
 
       
 

  
        
      



  
 
       
      


 
   
          
  
  
  

10.  
  
 
         
 
         
 

 


        
 
      
         



 
 
       
 


      
      
          
      
      
         
  
 
        
       
 
      
 
 
        
 
          
                 
       


 
 
 

 

      

 

 
           
    
  

11.  


       

 

  
  
  
       
 
  

       
 
     
         
 
  
  
 
 


 
  
 






         


 
     

         
       

         
       

 


 

        
          
  

12.  

 

 



  



 




        


 






          

    




         

 

 
     
   
   
    
   

  

  

 
 
 
 
 


 
 
 

 
               
      
         
 

     

  

13.  
        


 
      


           

 

 


       
 

 
       
 

        

 

 
 
 
 
     


    

         
             
 

      

        

 
           

 


 
 
   
 
 
  
 
  

14.  
 

         

 
 

 
       


        
 
           

 
        
 


 

  
   

  
   

  
 



 
          
        
      
       
       



 

 



     

 
 
 
 
 
  

15.  
 
 
       



 
  
 

          
        
         

  
 
        



 
           
 
 
    
  
        
      
 
 
         
 

  
 


       


              



 
         
 

  
         
       
 
       

 

     

          
 

   

  
  

16. 




        




 
 
 
 
 

  

17.     



 
    

      
        




   

       
        
 
        
 

 
     
    
 
 

 
 
 
              
      
  
  
      
 


     
        
      
         
 
         
 
        
      
          
     


   
 
   
 
   
 
      
 


 
 


  

18. 

              
 
     
       
  
  
  
 
   
 
        

    
       



 
       
 

  
      

 

        

 

 

         

 

   
           
          
           
        
    

        
 
  
 
  
 
 



 
 
           
       
     

  

19.  


  
 

  
  



          
         
  

  
      
 
  
       
        
       
        


        
 
 

         
        
 
 
 
  
  
        
 
 
         
 


  
 

  
 

         
 

  
 

  
       

  

20.        


 


      

 

       

 


      
  
    




  
 

        
 


           



 

 



 

         
           
       


  
         
         
      
  

  
 
                    




 


 
  

21.  
          
 
       
 
 
 
    
 

           
      



      

        


 
 
  
  
   
         
 


 
 
 
   
 
 
      
         
 
 
 
 
          
      
 
              
      
    



        
  
  
  
 
 
       



          
 
 
   
         
 
  

22. 






       
       





 
      


         


 

 

 

         
        


  

 


         
 
        
       



 
                
 
         

      
 
  

23.  
         

 
 
 

 
 

       
        
  
        
 
        
       


      
  
 
  
        
        
  

   
 


 

        
       
     
        
 
 
 
  
 
       
 

             
  
          
 

 
  

   
 
 
        

  
 
  
  



  

24.  
 
 

 



         


         
            
  

 

        

        

        

 


         
    




         
  

 
 

  
      


 
         
 
        



         
  

          

       
 
     
  

  

25. 




      

      


       

       



            
 
 
  
  
         


         
          
 
 
  
 
 
         
  

 
 

         
    
 


 
       
 
 
 
 
       
 
         
        
        
          
  

  

26.  
 
 
        
      
        

       
     


       
 
 
           
       
  
 
   
 
  
        
 
        
  
  
 









      
 
 
 

       

 
 
       
                 
 
 
   
        
  
          
  
 
   
       
 
   
 

  

27. 




         


 
 
 
 
 








          

 
 
 
 
 






            

 
 
 
 
 
  

28.  
  
 

    



           
        


 
 


  

 
 


  
 
 


         
       


  
      
 
 

  


  


  
 
  
 

  

            
    
  

29.   

          

       


          


  
 
 
        
 
           
      
 
        

        
                
       


 

 

  
  
  




        
 


    
 

     
 

 
 
 
  
                
 
                  
 
        

        
  

30.  
 
 
  
 
         
       
        

      

        
       

        
 
 
         
   
          


        
   
         
        

         
 
  
                
        
        
  
      

       
             
 

          




  