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V. Section 5 The Theory of Plate Tectonics. A. How Plates Move. Plate tectonics-formation , movement and subduction of Earth’s plates Movement is caused by convection currents in the mantle. B. Plate Boundaries. B. Plate Boundaries cont.
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A. How Plates Move • Plate tectonics-formation, movement and subduction of Earth’s plates • Movementiscaused by convection currents in the mantle
B. Plate Boundariescont. • The movement of the plates has greatly changes Earth’s surfce • Split apart billions of yearsago