Chapter14_InternalProcessesPart1C

Chapter14_InternalProcessesPart1C - continents 0.4 in. per...

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1 1 Ridge and Trench System Earthquake epicenters of at least 5.0 magnitude over a 10 year period
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2 Proof of Wegner’s Continental Drift Continents were once united Seafloor spreading is moving
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Unformatted text preview: continents 0.4 in. per year 4 in. per year 3 8 ht p:/ www.globalchange.umich.edu/globalchange1/cur ent/lectures/evolving_earth/plates.gif Plate Boundaries ‐ 3 Types 9...
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This note was uploaded on 12/27/2011 for the course GEOG 010 taught by Professor Bookshar,randyd during the Fall '07 term at Penn State.

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Chapter14_InternalProcessesPart1C - continents 0.4 in. per...

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