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Filed under: Lifestyle, Entertainment
All of us are quite aware about what Ozone layer means since the day of our school. It is a layer formed by three atoms of oxygen and is a layer, which protects us from the sun's harmful ultra violet radiations, or what we also call the UV-B rays of the sun. It is around 10 to 50 km above the surface of the earth. In 1970s, the scientists learned that due to the overuse and release of chlorofluorocarbons, the ozone layer developed holes through which the harmful UV rays reached the earth ...