When a tall homozygous plant was crossed with a short homozygous plant, the f1 offspring were all tall. no short plants were present in the f1 generation. which principle does this situation represent

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.