1. Decide whether the event shifts the supply or demand curve (or perhaps both).\ 2. Decide in which direction the curve shifts. 3. Use the siupply-and-demand diagram to see how the shift changes the equilibrium price and quantity.
Man-made causes of depletion of ozone layer: The main cause for the depletion of ozone is determined as excessive release of chlorine and bromine from man-made compounds such as chlorofluorocarbons (CFCs).
The ozone layer protects us from the sun's powerful rays. The Ozone layer protects us from the ultra violet rays from the sunlight which can cause skin cancers and eye cataracts, as well as damaging crops like rice and wheat.