Multiple Choice
In order for most organisms to use the nitrogen in the atmosphere, dinitrogen gas must be
A) taken in by green plants and transformed into nitrogen-rich protein.
B) inhaled by herbivores and transformed into ammonia, which can be dissolved in their blood.
C) taken up by certain bacteria that can change it into ammonium, a form that is available for plants.
D) dissolved in an aqueous solution to form nitrate.
Correct Answer:

Verified
Correct Answer:
Verified
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