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Question

Low visibility during cold weather is due to ____________.

A
Formation of fossil fuel
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B
Unburnt carbon particles or hydrocarbons suspended in air mixed with fog
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C
Lack of adequate power supply
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D
Ultraviolet radiations
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Solution

The correct option is B Unburnt carbon particles or hydrocarbons suspended in air mixed with fog
During winter, the water droplets condense in the air and lowers the visibility by forming fog. The dust particles also stick around the droplets thus loweringthe visibility further. This phenomenon results in the formation of smog (smoke + fog) which lowers the visibility during cold weather seasons.

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