Answers TX-Earth Systems A Cycles of Matter — Unit testQuestion 4

4

QuizMultiple Choice

Cycles of Matter — Unit test

Question 4 • TX-Earth Systems 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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