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17 May, 03:29

What are the three main gases that make up the atmosphere?

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  1. 17 May, 03:46
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    Nitrogen - 78 percent.

    Oxygen - 21 percent.

    Argon - 0.93 percent.

    Carbon dioxide - 0.04 percent.

    Trace amounts of neon, helium, methane, krypton and hydrogen, as well as water vapor.
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