Question

wool has air trapped in between the fibres​

Answer 1

hey mate...

here is ur ans..

Many of the animals bear thick layers of hair on their body. Mostly such animals generally live in colder regions. Since air is a bad conductor of the heat, the thick layers of hair over the body of such animals traps a lot of air. It keeps them warm and prevents the warmth of their bodies from escaping and also prevents the coldness of the surroundings from entering. For example Sheep, Goat, Camel, Yak, etc, are examples of such animals.

may it will help you...