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What is the importance of ozone in the environment why is it depleting? What precautions are taken to preserve it? |
Answer» Ozone is present in the stratosphere. It protects the earth from harmful ultraviolet radiations. UV ray causes various diseases to organisms e.g. skin cancer, cataract in human beings. Ozone layer is depleting because of chlorides and fluorides. They act on ozone molecules and deplete it. Chlorides, fluorides are present in CFC’s which are used in refrigerants and fire extinguishers. CFC ⎯⎯→ Chlorofluorocarbon The precautions taken to preserve the ozone layer is to ban the use of CFC’s. |
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