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	Earth Interior and Plate Tectonic
	Earth Interior Our earth is made up of four layers there is a inner core ,a outer core , the crust , and the mantle. The top layer of our earth is the crust it is cool so it is made up of solid rock. ... The center of the earth (the core) seems to be believed to be made up of mainly iron and nickel. ... Plate Tectonics In the early twentieth century there was a scientist named Alfred Wegener who noticed that the Eastern coast of South Africa and the Western coast appeared to fit together like a puzzle. Approximate Word count = 457 Approximate Pages = 1.8 (250 words per page double spaced)

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	THE FOUR SPHERES volcanos Earthquakes and Earths Interior Surface volcanos Geography Plate Tectonics plate tectonics according to wegners hypothesis

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