TASK: Describe and explain the many stages involved in the development of a human embryo and fetus, as well as the
need for proper pregnancy care, nutrition, and overall healthy choices during pregnancy.

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.

i got you i did it ya know what it is just needing to fill this in for a quick task!