Humans have helped cause the breakdown of the ozone layer through the use of aerosol sprays.

Question

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Aerosol sprays contain chemicals called chlorofluorocarbons (CFCs) that can rise into the atmosphere and react with ozone, breaking it down and causing the ozone layer to thin. This has led to a hole in the ozone layer over Antarctica. While the use of CFCs in aerosol sprays has been banned in many countries, the effects of past use still linger.

Humans Have Helped Cause the Breakdown of the Ozone Layer