The Carbon-Nitrogen-Oxygen Cycle

question 51

Multiple Choice

The carbon-nitrogen-oxygen cycle

• A) operates at a slightly lower temperature than the proton-proton chain.
• B) is most efficient in star less massive than the sun.
• C) occurs when carbon and oxygen combine to form nitrogen, which produces energy.
• D) produces the energy responsible for bipolar flows.
• E) combines four hydrogen nuclei to form one helium nucleus, which produces energy.

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