The Niagara Falls moves upstream at an average rate of about 295ft a century!
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There are more than 50,000 earthquakes throughout the world every year!
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One cubic mile of seawater contains about 50 pounds of gold.
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The Sahara desert expands at about 1km per month.
90
The state of Florida is bigger than England!
74
In 1850, only 8% of the people in California were women.
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