Question

mayank wears woollen clothes in winter. why?

Answer 1

Mayank wear woollen clothes in winter because wollen clothes are poor conductor of heat and woollen clothes do not allow the transfer of body heat to the environment and keep us warm.Woolen yarn has large amount of air trapped between its crimps.
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Answer 2

$\huge\orange{Hello there !}$

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Woolen clothes are good insulators of heat . It doesn't allow heat to come out and keep body heat .

As body evelve heat or gets hot these woolen clothes as we know are insulators of heat will not allow this heat to leave body and in winter body remains warm according to need

This is the reason due to which mayank wear woolen clothes in winter

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