Which of the following gases protects us from harmful sun rays?
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The blanket of air surrounding the earth is called the atmosphere. It protects us from the harmful rays of the sun. It consists of several gases with nitrogen and oxygen occupying the major portion and other gases like carbon dioxide, helium, ozone, etc., existing in lesser quantities.
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The ozone layer protects us from potentially harmful ultraviolet (UV) radiation. CAMS monitors stratospheric ozone and provides UV forecasts based on this information. Ozone is a colourless and very reactive gas that can be found throughout all layers of our atmosphere.
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