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What are the two main gases found in Earth's atmosphere?

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What are the two main gases found in Earth's atmosphere?

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  1. 78% Nitrogen

    21% Oxygen

    the remainder is a combination of Carbon Dioxide, inert gases, etc.


  2. nitrogen and oxygen

  3. nitrogen is certainly the majority, with oxygen second.

  4. Based on molar content / volume, the two main gases in Earth's atmosphere are:

    Nitrogen - 78.08%

    Oxygen - 20.95%

    Other gases include:

    Argon 0.93% ,

    Carbon Dioxide 0.038%

  5. oxygen and nitrogen
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