Answers MO-Earth and Space Science A Succession and ExtinctionQuestion 9

9

QuizMultiple Choice

Succession and Extinction

Question 9 • MO-Earth and Space Science A

How is the nitrogen cycle important to humans?

Answer

A

It produces free nitrogen that can remove carbon dioxide from the atmosphere.

B

It converts nitrogen into a form that humans can obtain by eating other organisms.

C

It produces nitrogen compounds that humans can breathe.

D

It converts nitrogen into a form that humans can obtain by absorbing it through their skin.

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