What Happens in the Proton-Proton Chain

question 28

Multiple Choice

What happens in the proton-proton chain?

• A)Two protons are fused to make a helium nucleus.
• B)Three protons are fused to make a lithium nucleus.
• C)A helium nucleus is split into four protons.
• D)Four protons are fused to make a helium nucleus.

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