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What fraction of the mass of the universe is in the form of atoms other than hydrogen and helium?

doit_the_clown

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What fraction of the mass of the universe is in the form of atoms other than hydrogen and helium?

What fraction of the mass of the universe is in the form of atoms other than hydrogen and helium?
A) 10% B) Much less than 1% C) 2% D) 50%

Textbook

Discovering the Universe

Discovering the Universe

Edition: 7^th

Authors: Kaufmann, Comins

Read 126 times

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Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

Albert Einstein

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papachulo

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