Woolen clothes keep us warm during winter. Why?
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Explanation:
they keep us warm because they doesn't allow the heat to escape
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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. Which is why, even though those sheep might look all huddled and sorry for themselves, they are actually completely dry and toasty beneath their fleeces.
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