Q. Supersonic jet causes pollution by thinning of

  • (A) O3 layer
  • (B) O4 layer
  • (C) SO2 layer
  • (D) CO2 layer
✅ Correct Answer: (A) O3 layer

Published by Ankit Singh ⭐ 8.48K Points at 10-Jan-2022 08:15 pm in Chemistry

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