IronMik3y100 IronMik3y100

15-03-2017
Physics

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What is the name for the portion of a star's life cycle when it is using hydrogen for fuel? A. red giant B. protostar C. white dwarf D. main sequence

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15-03-2017

it A i hope it helps

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21-03-2017

For the majority of a star's life, it is burning hydrogen fuel. During this time it is said to be in the main sequence.

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