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Layers and gaseous components of the atmosphere — N₂, O₂, Ar, CO₂ and trace gases.
Boyle's, Charles's and Avogadro's laws relating pressure, volume and temperature.
How CFCs and halogen compounds destroy stratospheric ozone — UV radiation risks.
CO₂, CH₄ and H₂O vapour trap infrared radiation — mechanism of global warming.
Sources, effects and control of industrial and domestic air and water pollutants.