Multiple Choice
Nitrogen-fixing bacteria convert atmospheric nitrogen (N2 gas) into ammonium (NH4) .Why is this conversion important for life on Earth?
A) Ammonium is an important cleaning agent.
B) Nitrogen gas is toxic.
C) Ammonium is a very important plant nutrient.
D) Nitrogen gas leads to global warming.
Correct Answer:

Verified
Correct Answer:
Verified
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