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27 Feb 2020
On the main sequence, stars obtain their energy
A) from chemical reactions.
B) from gravitational contraction.
C) by converting hydrogen to helium.
D) by converting helium to carbon, nitrogen, and oxygen.
E) from nuclear fission
Ā
On the main sequence, stars obtain their energy
A) from chemical reactions.
B) from gravitational contraction.
C) by converting hydrogen to helium.
D) by converting helium to carbon, nitrogen, and oxygen.
E) from nuclear fission
Ā
1
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0
watching
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Beverley SmithLv2
27 Feb 2020