जॉइन Examsbookउत्तर : 1. "Decrease in the thickness of ozone layer in Stratosphere"
Ozone hole refers to5
प्र: Ozone hole refers to
- 1Decrease in the thickness of ozone layer in Stratospheretrue
- 2Increase in thickness of ozone layerfalse
- 3Decrease in the ozone layer in Tropospherefalse
- 4Hole in the ozone layerfalse
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उत्तर : 1. "Decrease in the thickness of ozone layer in Stratosphere"
व्याख्या :
Answer: A) Decrease in the thickness of ozone layer in Stratosphere Explanation:

