The major cause of thinning of the ozone layer was attributed to

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Chlorofluorocarbons (CFCs) were the major cause of thinning of the ozone layer. CFCs are human-made chemicals that were widely used in refrigerants, aerosol spray propellants, and solvents. When released into the atmosphere, they break down and release chlorine atoms, which then destroy ozone molecules. This thinning of the ozone layer has led to an increase in harmful ultraviolet radiation reaching the Earth's surface, which can have harmful effects on human health and the environment.

The Major Cause of Thinning of the Ozone Layer Was