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OpenStudy (anonymous):
The most abundant element on the universe? I earth is made 70% of water right but what about hydrogen... I think the answer would be water...
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OpenStudy (anonymous):
@Smartblueowl
OpenStudy (anonymous):
What are your choices ?
OpenStudy (anonymous):
I wrote the question.
OpenStudy (anonymous):
Hydrogen is more plentiful than any other element, making up about 3/4 the mass of the universe. . Helium is second, making up almost all of the remaining 25%. Oxygen is a distant third. On earth, oxygen is the most common element, making up about 47% of the earth's mass.
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