U

Uday Singh • 7.23K Points
Tutor III Science 

Q. Ozone hole refers to

  • (A) hole in ozone layer
  • (B) decrease in the ozone layer in troposphere
  • (C) decrease in thickness of ozone layer in stratosphere
  • (D) increase in the thickness of ozone layer in troposphere
Correct Answer - Option(C)

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