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5 Cards in this Set
- Front
- Back
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Absolute humidity
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The mass of water vapor contained in a certain volume of air.
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Greenhouse effect
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The process by which certain gases (principally water, carbon dioxide, and methane) trap hear that would otherwise escape the earth and radiate into space.
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Humidity
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The moisture content of the air.
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Parts per million
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The number of molecules (or atoms) of a substance in a mixture for every one million molecules (or atoms) in that mixture.
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Relative humidity
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A quantity expressing humidity as a percentage of the maximum absolute humidity for that particular temperature.
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