There are more than 50,000 earthquakes throughout the world every year!
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Every year, Alaska has about 5,000 earthquakes.
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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.
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The Niagara Falls moves upstream at an average rate of about 295ft a century!
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Australia's Great Barrier Reef is 1,250 miles long!
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In 1850, only 8% of the people in California were women.
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The water of the Antarctica is so cold that nothing can rot there.
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