What are the chief pollutants of the atmosphere which are most likely to deplete the ozone layer?
Correct answer: D. Nitrogen oxides and fluoro-carbons
- A. Sulphur di-oxide
- B. Carbon di-oxide
- C. Carbon monoxide
- D. Nitrogen oxides and fluoro-carbons
Explanation
Fluorocarbons such as CFCs release ozone-destroying chlorine, while nitrogen oxides can also participate in catalytic ozone destruction. Sulphur dioxide, carbon dioxide and carbon monoxide are not the principal ozone-depleting pollutants listed here.
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