A man and a woman both have dry earwax. If the wet allele is dominant to the dry allele do you have enough information to reliably predict the phenotype of their offspring?

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.

looks like the answer is     c     to me!