How Do Low Mass Stars in the Lower Region of the Main

question 34

Multiple Choice

How do low mass stars in the lower region of the main sequence produce their energy?

• A) by fusing hydrogen using the proton-proton chain
• B) by fusing hydrogen using the CNO Cycle (carbon-nitrogen-oxygen)
• C) by fusing hydrogen using both the CNO Cycle and the proton-proton chain
• D) by fusing hydrogen using the HNO Cycle (hydrogen-nitrogen-oxygen)
• E) by fusing helium using the HeNO Cycle (helium-nitrogen-oxygen)

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