Nitrogen fixation refers to ________.
A) the conversion of organic proteins to nitrogen gas by bacteria
B) chemical conversion of nitrogen gas to ammonia in chemical fertilizer production
C) conversion of atmospheric nitrogen gas to ammonia or nitrates by bacteria
D) use of atmospheric nitrogen by plants
E) the presence of nitrogen in proteins of living organisms

Question

Quizplus · Accepted Answer

Nitrogen fixation is the process where certain bacteria convert atmospheric nitrogen gas (N2) into ammonia (NH3) or related nitrates, which can then be used by plants. This is a crucial step in the nitrogen cycle, making nitrogen available to living organisms.

Nitrogen Fixation Refers to ________