The Caspian Sea is also classed as the world's largest lake.
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The Atlantic Ocean is saltier than the Pacific Ocean.
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Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
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There's a lake under Antarctica that is 25 million years old called Lake Vostok.
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The Niagara Falls moves upstream at an average rate of about 295ft a century!
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The water between India and Sri Lanka is only 3-30 feet deep and was purportedly passable on foot until 1480 AD when a cyclone moved some sand around.
1
Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
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