Which is the New & Most Important Culprit damaging the ozone Layer?
- A. Carbon Dioxide
- B. Chlorofluoro Carbons
- C. Nitrous Oxide
- D. Carbon Monoxide
Explanation
Although CFCs caused the historic ozone hole, nitrous oxide is now regarded as the leading human-emitted ozone-depleting substance because it continues to reach the stratosphere in large amounts. It produces reactive nitrogen compounds that destroy ozone.
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