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Question

Why does polar bear don't have black hairs although black absorbs greater amount of heat than white which would help the polar bears to absorb maximum amount of heat in polar regions?

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Solution

Polar bears have white fur so that they can camouflage into their environment. Their coat is so well camouflaged in Arctic environments that it can sometimes pass as a snow drift. Interestingly, the polar bear’s coat has no white pigment; in fact, a polar bear’s skin is black and its hairs are hollow. They have a thick layer of body fat, which keeps them warm while swimming, and a double-layered coat that insulates them from the cold Arctic air

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