Convergent Boundaries - Push Together to cause volcanoes, mountains, earthquakes, deep ocean trenches, Transform Boundaries - Plates slide past each other causing Earthquakes, Divergent Boundaries - Plates pull apart causing mid-ocean ridges, seafloor spreading, and rift zones, Pangea - 225 million years ago Earth had a super continent made of all the current continents together., Plate Tectonics - Explains how the continents broke apart and moved to their positions slowly over time.,

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