* An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards. *
* The warmest temperature ever recorded on Antarctica was 3 degrees F. *
* The Amazon rainforest produces more than 20% the world's oxygen supply.*
* If Manhattan had the same population density as Alaska, there would only be 15 people living there. *
* The names of the continents all end with the same letter with which they start, excluding the North and South infront of AmericA. *
* There are more than 50,000 earthquakes throughout the world every year!*
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