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Brief summary of air

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Brief summary of air
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9D Tamanna Gupta 4 years, 11 months ago

Air is the general name for the mixture of gases that makes up the Earth's atmosphere. This gas is primarily nitrogen (78%), mixed with oxygen (21%), water vapor (variable), argon (0.9%), carbon dioxide (0.04%), and trace gases. Pure air has no discernible scent and no colorAir typically contains dust, pollen, and spores; other contaminants are referred to as "air pollution."
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