hanagamil044p8ks2c hanagamil044p8ks2c

11-05-2018
Social Studies

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two elements, hydrogen and helium, mqke up most of the atoms in the universe: 92.7% of atoms are hydrogen , and 6.9% of atoms are helium. what percentage of atoms in the universe is neither hydrogen nor helium.

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GregFredor GregFredor

11-05-2018

.4% of atoms in the universe are not hydrogen or helium.

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