Monday, June 13, 2011

4.13 Greenhouse Gases



(1) Fossil fuels (burning) = forms CO2, NO2 and SO2 (Greenhouse Gases)

Greenhouse Gases absorb infrared gases and use them to heat the globe

From fossil fuels, vehicles and domestic

(2) FARMING = Cows = CH4 - 9% of greenhouse gases

(3) Evaporation of H2O = Water vapor

(4) Refrigeration/ solvent and propellants - CFC - Chlorine, carbon and fluorine - Absorb UV light and catalyse the breakdown of the ozone layer

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