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Home Q & A Board Science-Related Homework Help Physics
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killian killian
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10 years ago
What is the approximate chemical composition (by mass) with which all stars are born?
A) Three quarters hydrogen, one quarter helium, no more than 2% heavier elements
B) Half hydrogen and half helium
C) 98% hydrogen, 2% helium
D) 95% hydrogen, 4% helium, no more than 1% heavier elements
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padrepadre
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10 years ago
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killian Author
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#2
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10 years ago
Thanks sir
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