Multiple Choice
What does the CNO cycle and the hydrogen proton- proton cycle have in common? Choose the best answer to the question.
A) They both are ways to fuse hydrogen nuclei to make helium.
B) They both trigger at the same temperature.
C) They are both nuclear reactions; the CNO cycle makes carbon, nitrogen, and oxygen, and the proton cycle makes helium.
D) They are both cycles in star lives.
Correct Answer:
Verified
Correct Answer:
Verified
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