The North Atlantic gets 2.5 centimetres (1in) wider every year.
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There are approximately three chickens for every human on Earth.
13
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
The state with the longest coastline in the Continental U.S. is Michigan.
31
Australia's Great Barrier Reef is 1,250 miles long!
45
The Caspian Sea is also classed as the world's largest lake.
52
In 1850, only 8% of the people in California were women.
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