Threats to ozone layer.

The ozone layer, a crucial component of Earth's stratosphere, absorbs most of the Sun's harmful ultraviolet (UV) radiation, protecting living organisms from DNA damage and other adverse effects. However, human activities have posed significant threats to this protective layer. The primary culprits are chlorofluorocarbons (CFCs), halons, and other _________ ____ _________ _____ _________ __________ ______ ____ _________ ________.
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