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natka813 [3]
4 years ago
12

How much of the Sun’s ultraviolet radiation reaches Earth’s surface?

Geography
1 answer:
-Dominant- [34]4 years ago
5 0

Answer:

Option (5)

Explanation:

The ultraviolet rays are found to be present in solar radiation and are allowed to be incident on the earth. These solar radiations are comprised of nearly 8% of UV rays. These UV rays are of three types, namely UV-A, UV-B and UV-C which are harmful to the living organisms on earth. Of all the three, the UV-B and UV-C are highly dangerous that can cause various skin diseases like cancer.

The presence of the ozone layer in the atmosphere acts like a blanket that does not allow these harmful UV radiations to enter into the atmosphere of the earth. The majority of the UV-A is able to reach the earth's surface, but they are not able to cause much harm. So, out of this 8% of total UV radiations, a little amount of it is successful in reaching the surface of the earth.

Thus, the correct answer is option (5).

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