Multiple Choice
Why is nitrogen fixation by prokaryotes essential to life on Earth?
A) It removes nitrogen from the soil.
B) It converts atmospheric nitrogen to a non-toxic form.
C) It provides nitrogen sources for plants and animals.
D) It provides an energy source for photosynthesis.
E) It allows for the breakdown of complex macromolecules.
Correct Answer:

Verified
Correct Answer:
Verified
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