Two person who is who is heterozygous for achondroplasia is having a child with a person who is heterozygous recessive

There's a chance the child could be AA(25%),Aa(50%),or aa(25%)

Explanation:

that's all I could understand from what was there. hope it helps

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.