Which of the major sources of air pollution contributes pollutants like chlorofluorohydrocarbons?

Industrial effluents

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Aerosols

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Sewage pollutants

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All of the above

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Solution

The correct option is C Aerosols
The presence of CFCs in the atmosphere results in the depletion of the ozone layer. They are used as coolants in refrigerators, aerosol sprays, coolers, etc. The increase in the concentration of the chloro- fluoro-hydrocarbon molecules in the atmosphere results in air pollution.
Thus, the correct answer is option B.

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