Question

What is combustion?and what is nitrogen fixation ​

Answer 1

Answer:

combustion means fire . it means a chemical equation

Answer 2

Answer:

combustion is the rapid chemical combination of a substance with oxygen, involving the production of heat and light.

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.

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