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How is the nitrogen cycle important to humans?
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.
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How is the nitrogen cycle important to humans?
it produces free nitrogen that humans can brea...
it produces free nitrogen that humans can brea...
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