The reason that the process called is so exact is to ensure that each daughter cell has an exact copy of the parental dna. this process occurs in eukaryotes to repair tissues and produce new cells.

velocity and height

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.