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Ozone Hole Depletion and Causes for Kids

Ozone Hole Depletion and Causes for Kids
Along-with beneficial rays from sun, there many harmful rays also which come from the sun.These harmful rays are known as ultraviolet rays ( uv rays) .If human skin is exposed too long to UV rays, it can cause cancer. But good news is that most of the harmful UV radiation is absorbed by a layer of ozone gas 20 – 50 km above the Earth. But few human made chemicals are releasing few gases which are depleting the ozone layer.This video explains the whole ozone layer composition & depletion in an interesting way.

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