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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