Question

how do wollen cloth keep us warm in winter

Answer 1

Here your answer friend
woollen clothes keep us warm in winter because wool is a poor conductor of heat and it has air trapped in between the fibres.
Hope this helps you friend
Thanks

Answer 2

♡ Hallo friend ♡    ☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆  Woolen clothes keep us warm in the winter because it have fibred in which air get trapped and do not reach to our body and also woolen cloths are insulator of heat due to which our body temperature do not radiate through it.  ☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆☆   Thank you !