Multiple Choice
Why are nitrogen and the nitrogen cycle important to living things?
A) Nitrogen is an essential part of all organic molecules.
B) Nitrogen is an essential part of proteins, RNA, and DNA.
C) Nitrogen is an important biotic component of ecosystems.
D) The release of nitrogen from fossil fuels counteracts global warming.
E) The release of nitrogen during cellular respiration contributes to global warming.
Correct Answer:
Verified
Correct Answer:
Verified
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