Multiple Choice
Helium burns in the core of a horizontal branch star via _________ and produces _________.
A) the triple-alpha reaction; carbon
B) the proton-proton chain; lithium
C) the triple-alpha reaction; oxygen
D) the proton-proton chain; iron
E) the proton-proton chain; calcium
Correct Answer:
Verified
Correct Answer:
Verified
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