Answer:
Nitrogen fixation is a process whereby bacteria in the soil convert atmospheric nitrogen ( N2 gas) into a form that plants can use. ... Animals get their nitrogen by eating plants or other animals. Finally, all organisms need a steady supply of nitrogen because it is a building block of DNA and RNA, and of proteins.
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Answer: It let's plants grow using nitrogen.
Explanation: Put simply, it's a process that makes nitrogen into something usable in the soil for plants.
