Which characteristic of water is most to fish in a lake? a. water can exist as a gas or a solidb. water boils at 100°cc. water has no color or odor d. water is able to hold dissolved oxygen

explanation:

b,bacteria convert nitrates

into nitrogen gas.

d,plants and animals take in

and use nitrogen compounds.

e,bacteria break down waste    

products and return nitrogen  

to the soil.

a,bacteria convert atmospheric

nitrogen to ammonia.

c,bacteria convert ammonia

to nitrites and nitrates.

the areas around the equator