Question

what is nitrogen fixation ?

see the attachment↑​

Answer 1

Answer:

Nitrogen fixation is a chemical process by which molecular nitrogen in the air is converted into ammonia or related nitrogenous compounds in soil or aquatic systems. Atmospheric nitrogen is molecular dinitrogen, a relatively nonreactive molecule that is metabolically useless to all but a few microorganisms.

Answer 2

Answer:

nitrogen fixation is a process which is done by the nitrifying bacteria.This process occur in the roots of leguminous plants like pea . In this process bacteria convert atmospheric nitrogen into nitrates and nitrites which is easily taken up by plants .

example of nitrifying bacteria is Rhizobium