classs 5 girls and boys come in zoom it is science class come fast with your name classs is stated I am waiting come fast

x no thx

Explanation:

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.

not only is it colder, it also becomes darker, less salty, and more dense.