4. The presence of any gas becomes threat to health whether in higher or smaller amounts and if new gases are added to the atmosphere, it is called air pollution
5. ACID RAIN The carbon dioxide in the air mixes with the water vapors and carbonic acid is formed . When the quantity of carbon dioxide in the atmosphere increases , the intensity of the acid rain also increases . It causes problems for the kidneys , weakening of bones and affects the growth .
6. GREENHOUSE EFFECTS The gases like carbon dioxide and Methane, and water vapour found in the atmosphere play an important role in the regulating the temperature . These are green house gases .The glass houses used in cold regions to grow plants are known as green houses.
7. The increase in the average temperature near the surface of the earth is global warming
8. CAU
CAUSES OF GLOBAL WARMING Carbon dioxide and Methane Increase in the number of vehicles Greenhouse gases Industrialization Deforestation Increase the population
9. OZONE DEPLETION The sprays, paints and other articles we use release CFC and these gases are agent which causes destruction of the ozone layer .The depletion caused to the ozone layer is called the ozone hole.
10. PROBLEMS CAUSED BY THE OZONE DEPLETION
•Change in climate .
•Destruction to agriculture and forest.
•Increase in the incident of skin cancer.
