What is ozone hole?what is its significance?
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it is a type of hole which occurred from CFC , I mean from chlorofluorocarbon...
because of Ozone hole we cannot stop ultraviolet rays coming from sun to words earth which could harm human beings and even animals and this rays cause skin cancer....
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Answer: bro it is ozone layer which is above the atmosphere of the earth which protects us from the dangerous ultra violet rays
and ozone hole is a big or small hole which is due to overuse of cfc or cloroflorocarbons . cfc are used in refrigerators and air conditioners. it can cause skin cancer. australia,newzealands and antartic region have ozone holes above them that is why many people living in these places are infected by skin cancer
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