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Polar bears have a thick layer of fat, or blubber, under their skin that helps them stay insulated in icy waters. This adaptation is essential for survival in the Arctic, where temperatures can plunge to extreme lows.
In addition to insulation, their fur provides buoyancy and warmth, making them efficient swimmers. These adaptations allow polar bears to hunt for seals, their primary food source, in freezing conditions.
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By Quiz Coins
The Leaning Tower of Pisa took nearly 200 years to build, and its tilt began during construction due to soft ground on one side.
