Answer:
An ecological pyramid is a pyramid that illustrates the relations between living organisms at different levels
Answer:
cellular respiration
Explanation:
Cellular respiration, the process by which organisms combine oxygen with foodstuff molecules, diverting the chemical energy in these substances into life-sustaining activities and discarding, as waste products, carbon dioxide and water.
Non potable waters are not for drinking. It is not safe to be drink that's why drinking it can carry significant health risk on our body. Non potable waters are only for irrigation and other non drinking water activity. POtable waters are the water that is clean and safe to drink