Question

why do woolen clothes keep us warm when it is cold outside​

Answer 1

Cotton clothes are thin and donot have space in which air can be trapped. Thus, cotton clothes do notprevent heat coming out of our body.Woollen clothes keep us warm during winter because wool is a poor conductor of heat and it has air trapped in between the fibres.

Answer 2

Answer:

Woolen clothes keep us warm during the winter because it is a poor conducter of heat.

And also it has air trapped between the fibres.

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