Question

question #7 of 10 in nitrogen cycle, what do we call the process by which certain types of bacteria take in nitrate and convert it back to nitrogen gas (atmospheric nitrogen)? ammonification nitrogen fixation denitrification

Explanation:

Denitrification is the process in the nitrogen - cycle where certain bacteria convert nitrate back into nitrogen gas. Ammonification is the conversion of organic nitrogen into ammonium. Nitrogen fixation is the conversion of atmospheric nitrogen into ammonia or other nitrogen - containing compounds.

Answer:

C. Denitrification