Explain the causes of ozone depletion? How do ultraviolet rays affects human health, animals, plants, micro-organisms, water and air quality.

Ozone depletion refers to the thinning and reduction of the ozone layer in the Earth's stratosphere. The main causes of ozone depletion are human-made chemicals called chlorofluorocarbons (CFCs), halons, carbon tetrachloride, and methyl chloroform. These substances are commonly found in refrigerants, aerosol sprays, solvents, and foam-blowing agents. When released into the atmosphere, these chemicals rise to the stratosphere, _________ ____ ___ ____ _________ _______ ___ _____ ________ _____ __________ _______.
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