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
One cubic mile of seawater contains about 50 pounds of gold.
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The names of the continents all end with the same letter with which they start, excluding the North and South infront of AmericA.
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The Atlantic Ocean is saltier than the Pacific Ocean.
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The Niagara Falls moves upstream at an average rate of about 295ft a century!
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More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
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A waterfall known as The Devil's Kettle empties water into a hole and nobody knows where it ends up!
18
Forest fires move faster uphill than downhill.
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