Multiple Choice
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
Correct Answer:
Verified
Correct Answer:
Verified
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