Microbiology of Soils
The transformation of nitrates to gaseous nitrogen is accomplished by microorganisms in a series of biochemical reactions. The process is known as

nitrification
ammonification
denitrification
nitrogen fixation

ANSWER DOWNLOAD EXAMIANS APP

Microbiology of Soils
Denitrification is

reduction of nitrate (NO3-) to nitrogen gas
both (a) and (b)
reduction of nitrate to organic nitrogen compounds
changing of atmospheric nitrogen (N2) to nitrogen compounds

ANSWER DOWNLOAD EXAMIANS APP