why do you feel warm after wearing a woollen sweater?
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Woolen clothes contains a large amount of trapped air. Since air is a bad conductor of heat it does not allow the body heat to flow out, as a result of which, we feel warm and comfortable.
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answer:
Woolen clothes contains a large amount of trapped air. Since air is a bad conductor of heat it does not allow the body heat to flow out, as a result of which, we feel warm and comfortable
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