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from Mail Online

Revealed: The Antarctic iceberg that looks like a giant humbug

water is one of the few substances that is slightly denser as a liquid than as a solid. This is why ice cubes float in water.Second Most icebergs actually contain a lot of air. Far from being the solid blocks of ice many people imagine, icebergs are riddled with billions of tiny, trapped air bubbles, giving the huge bergs their white appearance.icebergs are made from fresh water . Because of the dissolved salts in ocean water, it is denser than freshwater

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