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PhysScienceMod2

Mod 2 vocab

QuestionAnswer
Humidity The moisture content of air
Absolute humidity The mass of water vapor contained in a certain volume of air.
Relative Humidity The ratio of the mass of water vapor in the air at a given temperature to the maximum mass of water vapor the air could hold at that temperature, expressed as a percentage.
Greenhouse effect The process by which certain gases (principally water vapor, carbon dioxide, and methane) trap heat that radiates from earth.
Parts per million The number of molecules (or atoms) of a substance in a mixture for every 1 million molecules (or atoms) in that mixture.
Created by: 1035114107
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