Which two distinct microbial processes are responsible for the release of fixed nitrogen as dinitrogen gas (N2) to the atmosphere?

Decomposition of organic nitrogen, and conversion of dinitrogen to ammoniumcompounds

Aerobic nitrate oxidation, and nitrite reduction

Anaerobic ammonium oxidation, and denitrification

Enteric fermentation in cattle, and nitrogen fixation by Rhizobium in root nodules oflegumes

Which two distinct microbial processes are responsible for the release

1.	Which two distinct microbial processes are responsible for the release of fixed nitrogen as dinitrogen gas (N2) to the atmosphere?
A.	Aerobic nitrate oxidation, and nitrite reduction
B.	Anaerobic ammonium oxidation, and denitrification
C.	Decomposition of organic nitrogen, and conversion of dinitrogen to ammoniumcompounds
D.	Enteric fermentation in cattle, and nitrogen fixation by Rhizobium in root nodules oflegumes
Answer» C. Decomposition of organic nitrogen, and conversion of dinitrogen to ammoniumcompounds