How is the nitrogen cycle important to humans?
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it produces free nitrogen that humans can breathe.
it converts nitrogen into a form that humans can obtain by eating other organisms.
it produces nitrogen compounds that humans can breathe.
it converts nitrogen into a form that humans can obtain by absorbing it through their skin

Im pretty sure the answer is, It converts nitrogen into a form that humans can obtain by eating other organisms.

Explanation:

Obviously humans don't breathe nitrogen, they breathe oxygen, so the first and third are definitely incorrect. The nitrogen cycle converts nitrogen to nutrients in the soil which would turn into plants, which humans would eat.

answer: c.   like someone who knows how to behave in public