Water provides the for many plants and animals.

I would say the living for many plants and animals

air quality

poor drinking water

and heavy polution

can lead to poor health

the reaction mixture contains some ammonia, plus a lot of unreacted nitrogen and hydrogen. the mixture is cooled and compressed, causing the ammonia gas to condense into a liquid. the liquefied ammonia is separated and removed. the unreacted nitrogen and hydrogen are then recycled back into the reactor .