THE EARTH_

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THE EARTH_ Powered By Docstoc
					http://www.enchantedlearning.com/subjects/astronomy/planets/earth/
http://www.fi.edu/fellows/fellow1/oct98/create/
http://www.pbs.org/wgbh/aso/tryit/tectonics/
http://www.pbs.org/wgbh/aso/tryit/tectonics/
http://www.pbs.org/wgbh/aso/tryit/tectonics/

				
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posted:12/2/2011
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