The average ice berg weighs 20,000,000 tons!
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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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One cubic mile of seawater contains about 50 pounds of gold.
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10 of the tributaries flowing into the Amazon river are as big as the Mississippi river.
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The Niagara Falls moves upstream at an average rate of about 295ft a century!
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A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
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