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Arrange the following events in proper sequence.

A. Ultra violet radiation causes skin cancer

B. High levels of chlorine and bromine compounds in the stratosphere

C. Fridge brought to the house

D. Chlorofluoro carbons used as cooling agent

E. Depletion of ozone layer

Choose the correct answer from the options given below:

Solution

Correct Option: 3

A fridge is brought home (C), which uses CFCs as a cooling agent (D). CFCs release chlorine and bromine compounds into the stratosphere (B). These compounds deplete the ozone layer (E), which lets in ultraviolet radiation and causes skin cancer (A). Hence C, D, B, E, A.

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