An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
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The water of the Antarctica is so cold that nothing can rot there.
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There are more than 50,000 earthquakes throughout the world every year!
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More than 25% of the world's forests are in Siberia.
51
The average ice berg weighs 20,000,000 tons!
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Israel's Dead Sea is 1,312 feet below sea level.
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The Niagara Falls moves upstream at an average rate of about 295ft a century!
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