Chemical reactions that release energy will not occur without a source of energy. So the answer is release.
A is the answer
Hope it helps :)
Answer:
The answer is A hope this helps
Explanation:
The answer is "opposite charges."
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.
Explanation: