What must happen to nitrogen before plants and animals can use it?

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asked Aug 5, 2017 2.7k views

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Robert Johnstone · Answer 1 · 2017-08-10T10:51:24+0000

It has to be made bioavailable by cyanobacteria. This process is called "nitrogen fixation" and involves the conversion of atmospheric nitrogen (N2) into ammonia (NH3). This means that the nitrogen is reduced, in chemical terms.

What must happen to nitrogen before plants and animals can use it?

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