Every year, Alaska has about 5,000 earthquakes.
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Europe is the only continent without a desert.
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An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
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In 1850, only 8% of the people in California were women.
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There are more than 50,000 earthquakes throughout the world every year!
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10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
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There are approximately three chickens for every human on Earth.
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