Geography
(i) What is the cause of ozone depletion?
(ii) State the impact of ozone depletion on human life.
Atmosphere
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Answer
(i) The causes of destruction of ozone layer are:
- Emission of Nitrogen Oxide by a large number of supersonic transport aeroplanes causes deterioration of ozone layer.
- Release of synthetic chemicals primarily Chlorofluoro-carbons(CFCs) into the atmosphere is the most important cause of depletion of ozone layer.
(ii) Following are the impacts of ozone depletion on human life:
- It will allow excessive radiation of ultraviolet rays which can render man and animal blind.
- It can cause crop damage,
- It can burn skin and cause cancer.
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