two main gases in atmosphere
nitrogen and oxygen
transfer of energy through space in the form of waves
transfer of heat through atoms colliding
transfer of heat because of density differences; liquid or gas only
closest layer of atmosphere to the earth; where weather occurs
hottest layer of the atmosphere
infared radiation remains in Earth's atmosphere
incoming solar radiation
when Earth receives the most energy
when the Sun is directly overhead
brownish haze caused by automobile exhaust
pollutants in the water vapor in the air that causes harm to plants, animals, and structures
increased exposure to ultraviolet radiation
global temperatures rising caused by human activities and greenhouse gases
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