(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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