Physical Geography

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1) Tectonics

  • Plate Movements

Heat is emitted from the inner core causing convection currents in the mantle, these currents cause the plates of the crust to move in different directions. 

Plates :

(http://geology.com/plate-tectonics.jpg)

The Juan De Fuca plate used to be bigger than the Pacific plate, in a few thousand years it will disappear completely under the North American plate this is because of the…

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