A major hole in the Ozone layer has been identified above

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A major hole in the Ozone layer has been identified above the

1. Amazon Forest
2. Arctic Region
3. Savannah Grasslands
4. Sahara Desen

Correct Option: B

The greatest Arctic declines are in the winter and spring, reaching up to 30 percent when the stratosphere is coldest. Reactions that take place on polar stratospheric clouds (PSCs) play an important role in enhancing ozone depletion. PSCs form more readily in the extreme cold of the Arctic and Antarctic stratosphere.