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Polar bears always look white, especially when in the snow. But actually the fur color is not really white as we see.
Polar bear hair is actually transparent and hollow. The structure of the hair helps reflect light so it looks white.
Behind its fur, a polar bear's skin is actually black. This color helps absorb heat from sunlight.
The combination of black skin and special fur makes polar bears able to survive in the extremely cold Arctic environment.
Nature often creates extraordinary animal body designs according to where they live.
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