iheartgirl6504 iheartgirl6504
  • 26-02-2018
  • Chemistry
contestada

Presently, earth's atmosphere is dominated by which two gases? hydrogen and helium oxygen and carbon dioxide carbon dioxide and sulfur dioxide nitrogen and oxygen

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hannaheverett10
hannaheverett10 hannaheverett10
  • 07-03-2018
"Nitrogen and Oxygen" is the correct answer. Our atmosphere is 78% Nitrogen, 21% Oxygen, and 1% other trace gasses. Hope this helps!
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