Check your map! Virginia extends farther west than West Virginia.
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An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
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There are more than 50,000 earthquakes throughout the world every year!
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Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
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The state with the longest coastline in the Continental U.S. is Michigan.
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The Atlantic Ocean is saltier than the Pacific Ocean.
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The city of Houston, Texas is built on a swamp and is slowly sinking!
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