2. Are wastes that produce the living things. Prior knowledge of excretion Are the food that is not needed. All excretion smell bad.
3. What is Excretion? Excretion is the process of eliminating waste products of metabolism and other non-useful materials Excretion is a biological process by which metabolic waste products and toxic materials are removed from the body of an organism. Its an essential part in life, c0z it gets rid of all the poisons and etc Thisansersweretake of google.
4. Is needed to humans Prior knowledge of h2o Without water we dontlive. H2o is abbrevetion of water
5. What is Water? Water is very important for life. We need water to drink, to wash our hands, to cook, to water plants and many other things. Water is a chemical sustance with the chemical formula H2O. Its molecule contains one oxygen and two hydrogen atoms connected by covalent bonds.
6. How can h2o help Excretion H2o can be very important to excretion because every waste we expulse has water like: The sweat has a persentage of water, the urine also, and many other wastes we expulse. Water is very important for excretion.
