Australia's Great Barrier Reef is 1,250 miles long!
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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.
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Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
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The warmest temperature ever recorded on Antarctica was 3 degrees F.
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Mexico City is built on top of an underground resevoir!
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