Which describes the process of fermentation?
question 6 options:

aerobic process that manufactures pyruvate

aerobic process that restores nad+ supply

anaerobic process that manufactures pyruvate

anaerobic process that restores nad+ supply

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.

the answer would be   10%