Question

Why a cotton garment cannot keep us as warm in winter as a woollen
sweater does?

Answer 1

Answer:

HERE IS YOUR ANSWER

Cotton clothes are thin and do not have space in which air can be trapped. Thus, cotton clothes do not prevent 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.

Explanation:

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Answer 2

Answer:

Cotton clothes are thin and do not have space in which air can be trapped. Thus, cotton clothes do not prevent 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.

Explanation:

Cotton is a  thin fiber and is obtained from the cotton plant.Materials made of cotton are not too dense and are unable to hold and trap air which makes the loss of heat from our body easy.

Wool is a dense fiber obtained from the fleece of sheep. its density helps it to trap air molecules which causes an insulation effect and prevent heat loss from the body.