The Carbon-Nitrogen-Oxygen Cycle

question 89

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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