Q. Ozone hole refers to

  • (A) Hole in ozone layer
  • (B) Decrease in the ozone layer in troposphere
  • (C) Increase in the thickness of ozone layer in troposphere
  • (D) Decrease in thickness of ozone layer in stratosphere
✅ Correct Answer: (D) Decrease in thickness of ozone layer in stratosphere

Published by Ram Sharma ⭐ 193.88K Points at 27-Dec-2021 04:41 pm in Geography

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