Question

The people living in countries near Arctic and Antarctic regions are found
to suffer more from skin cancer, because of
Extreme cold weather
(B) Exposure of higher level of ultra violet radiations
(0) Fair complexion of the people
(D) Higher level of industrialization
​

Answer 1

Answer:

Option B is correct answer-Exposure of higher level of ultra violet radiations

Explanation:

This winter's cold weather in the upper atmosphere has caused unprecedented damage to the Arctic ozone layer. By the end of March, 40% of the stratospheric ozone had been destroyed, breaking the previous record of 30%. Although the ozone layer protects against skin cancer, it is depleted by reactions with industrial chemicals. The Montreal Protocol limits these chemicals, but they last so long in the atmosphere that the damage is expected to last decades. "The Montreal Protocol actually works, and the amount of ozone-depleting gases is on the way down, but quite slowly," said Geir Braathen, a senior scientist with the World Meteorological Organization (WMO), which coordinates ozone data globally.

Cold conditions (below -78C) in the stratosphere promote destructive reactions. While this occurs on an annual basis in Antarctica, where the annual depletion has earned the term "ozone hole," the picture in the Arctic is less clear because stratospheric weather is less predictable. While the Arctic was unusually warm at ground level this winter, temperatures 15-20km above the Earth's surface plummeted and remained low. "The low temperatures were not that different from previous years, but they extended much further into March and April - in fact, it's still going on now," said Farahnaz Khosrawi, an ozone specialist at Stockholm University's Meteorological Institute.

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