alleryStart learning →The chemicals mainly responsible for the depletion of the ozone layer are
Acarbon dioxide gases
Boxides of nitrogen
Cchlorofluorocarbons (CFCs)
Dsulphur dioxide
Answer & Solution
Correct answer: C. chlorofluorocarbons (CFCs)
1. Certain synthetic gases break ozone down.
2. **Chlorofluorocarbons (CFCs)**, used in refrigerators and sprays, are the main cause.
3. In 1987 many nations agreed to freeze CFC production to protect the ozone layer.
_Source: Karnataka SSLC (KSEEB) Class 10 Science, Ch15 'Our Environment', §15.2.1_
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