There are more than 50,000 earthquakes throughout the world every year!
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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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In 1850, only 8% of the people in California were women.
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Even Antarctica has an area code. It's 672.
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Europe is the only continent without a desert.
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The water of the Antarctica is so cold that nothing can rot there.
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The longest cave in the world is the 'Mammoth Cave System' in the USA at 560,000 mtrs deep!
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