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work book 3

QuestionAnswer
atmosphere thin layer of gas that surrounds the earth
relative humidity ratio of water in the air
air pressure force exerted by air on the area below it the layer directly above the ground
ozone layer concentrated portion of the stratosphere
thermosphere the top layer
radiation the transfer of energy though space
conduction the transfer of heat between two objects
smog smoke-fog
emission substance that is released into the air
front the boundary between air masses
fossil fuels carbon containing fuels
primary air pollutants air damaging
Created by: 100004922434017