Question

Hair trap a lot of _________, which is a poor _________ of heat.

• A. Air
• B. Poor

Answer 1

Air:

1. Animals have a thick coat of hair.
2. These hairs keep them warm.
3. This is possible as thick hairs trap a lot of air in them.
4. Air is a poor conductor of heat
5. It prevents the loss of heat.
6. Woolen clothes are thin and there is not much air gap between the fabric.
7. The air pockets lying in between the fabric make us feel warm.
8. Wool is a bad conductor of heat.
9. Air pockets in the fabrics prevent the movement of air from the surroundings into our bodies.
10. This less movement of air through the woolen fabric helps us to keep warm.

Final answer: Hair traps a lot of air, which is a poor conductor of heat.