The CNO Cycle in High-Mass Main-Sequence Stars Burns ________ to ________In

question 33

Multiple Choice

The CNO cycle in high-mass main-sequence stars burns ________ to ________in their cores.

• A) hydrogen; helium
• B) carbon; oxygen
• C) carbon; nitrogen
• D) This is a trick question as the CNO cycle does not operate in high-mass main-sequence stars.

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