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The situation of depletion of ozone laye...

The situation of depletion of ozone layer is referred as ozone hole. If the ozone level decreases below

A

800 DU

B

400 DU

C

200 DU

D

None of the above

Text Solution

Verified by Experts

The correct Answer is:
C
Thickness of ozone layer is measured in Dobson Units (DU). The level above 200 DU is considered as normal, but if this level decreases, it is considered as ozone hole.
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ARIHANT PUBLIACTION (CTET CRACKER)-TRAVEL-CHAPTER EXERCISE (Previous Years. Questions)
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