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Which of the following steps in a star's life cycle takes the longest? A. fusion of carbon atoms B. formation of a protostar C. fusion of hydrogen atoms D. fusion of helium atoms
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Which of the following steps in a star's life cycle takes the longest?

A.
fusion of carbon atoms
B.
formation of a protostar
C.
fusion of hydrogen atoms
D.
fusion of helium atoms

User Jijo Thomas
by
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1 Answer

2 votes
The correct anwser is "C.fusion of hydrogen atoms"
User Emilio Gort
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