4.13 Greenhouse Gases

1. The burning of fossil fuel from factories and vehicles and burning of coals from domestic.


2. Farming - Animals in their digestion of crops -> Cows produce methane gas to the atmosphere ( 9%)


3. Evaporation of water -> form water vapour -> clouds


4. Refrigeration of solvents -> CFC ( combination of chlorine, flurine, and carbon) associate of the absorption of UV light and catalysing the Ozone layer.