why do woollen clothes keep us warm when it is cold outside
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Explanation:
Woollen clothes keep us warm during winter because wool is a poor conductor of heat and it has air trapped in between the fibres.
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6
Explanation:
Cotton clothes are thin and do not have space in which air can be trapped. Thus, cotton clothes do not prevent heat coming out of our body.
Woolen clothes keep us warm in winter because wool is poor conductor of heat and it has air trapped in between the fibres.
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