how can polar bear swim in water
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because they survive in water so they easily swim
vivekrai1:
but he survive on land
they also survive in water
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A polar bear's front paws propel them through the water dog-paddle style. The hind feet and legs are held flat and are used as rudders.A thick layer of fat, up to 11 cm (4.3 in.) thick, keeps the polar bear warm while swimming in cold water.Polar bears can obtain a swimming speed of 10 kph (6.2 mph).A polar bear's nostrils close when under water.
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