Question

What is biological nitrogen fixation​

Answer 1

Explanation:

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

Answer 2

Answer:

Biological nitrogen fixation (BNF) is the term used for a process in which nitrogen gas (N2) from the atmosphere is incorporated into the tissue of certain plants. ... The process by which some forage crops can incorporate N2 from the air into their tissues involves a host plant (also known as the macrosymbiont)