The Caspian Sea is also classed as the world's largest lake.
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Forest growth in the US has exceeded harvest since the 1940’s. Today, we have more trees than any time in the past 100 years.
14
Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
55
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
The Amazon rainforest produces more than 20% the world's oxygen supply.
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Even Antarctica has an area code. It's 672.
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