Nitrogen fixation | Definition, Process, Examples, Types, & Facts
https://www.britannica.com/science/nitrogen-fixation
WEB6 days ago · Nitrogen fixation, any natural or industrial process that causes free nitrogen, which is a relatively inert gas plentiful in air, to combine chemically with other elements to form more-reactive nitrogen compounds such as ammonia, nitrates, or nitrites. Learn more about nitrogen fixation in this article.
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