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Apol Phys Sci Mod2

Apologia Physical Science Mod 2

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 vapor the air could hold at the temperature, expressed as a percentage
percent per hundred
combustion burning
greenhouse effect the process by which certain gases (principally water vapor, carbon dioxide, and methane) trap heat that radiates from earth
global warming warming up of the earth through the greenhouse effect; cause problems with the ecological balance
parts per million (ppm) the number of molecules (or atoms) of a substance in a mixture for every 1 million molecules (or atoms) in that mixture
ozone
Created by: ctwizt
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