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    •  Science >> Science Discoveries >  >> Chemistry
    The Composition of Air: Understanding Nitrogen, Oxygen, and Argon
    The three main gases in air are nitrogen, oxygen, and argon.

    - Nitrogen makes up about 78% of the Earth's atmosphere.

    - Oxygen makes up about 21% of the atmosphere.

    - Argon makes up about 0.93% of the atmosphere.

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