The average ice berg weighs 20,000,000 tons!
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The Caspian Sea is also classed as the world's largest lake.
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The state of Florida is bigger than England!
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Every year, Alaska has about 5,000 earthquakes.
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The North Atlantic gets 2.5 centimetres (1in) wider every year.
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Mexico City is built on top of an underground resevoir!
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