Biology 20

crop damage, cataracts. and increased cases of skin cancer (always wear sunglasses and sunscreen!) • reasons for depletion: 1. reaction of O3(g) with chlorofluorocarbons (CFC’s ) which are a man-made. chemical used as propellants in aerosol cans and coolants in air. conditioners and refrigerators. 2. natural cycles in the atmosphere. C ... ................
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