According to the nebular hypothesis, when did nuclear fusion begin?
after the planets f...
Biology, 05.02.2020 01:01, sotocindy023
According to the nebular hypothesis, when did nuclear fusion begin?
after the planets formed.
when the sun was 5 billion years old.
when the nebula first exploded outward into space.
when particles were pulled together so tightly they combined.
Answers: 3
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