Question
How do woollen clothes keep us warm in winter?
Answer
It is because wool traps air. Since air is a poor conductor of heat, it does not allow our body heat to escape. This keeps our body warm during winters.
How do woollen clothes keep us warm in winter?
It is because wool traps air. Since air is a poor conductor of heat, it does not allow our body heat to escape. This keeps our body warm during winters.