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Woolen clothe...

Question

Woolen clothes keep the body warm because the wool:

A

decreases the temperature of the body

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B

is a good conductor of heat

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C

increases the temperature of the body

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D

is a bad conductor of heat

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Solution

The correct option is B is a bad conductor of heat
It does not allow heat to pass on from body to surrounding because it is a bad conductor of heat. So, the body is kept warm.

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