Question

3. Why do woollen clothes keep us warm when it is cold outside ?​

Answer 1

Answer:

because it has air trapped between the thread ....

Answer 2

Answer:

The answer lies in the crimp of the fibres. Wool is able to react to fluctuations in your body temperature due to tiny pockets of air within the fibres that circulate heat. This means that wool will keep you warm when your body is cold, and cool when it's hot.28-Feb-2018

Explanation:

thnx my 10 answers