Destructive - Where two plates collide and one plate flows beneath the other – subduction. - Earthquakes and volcanoes occur here - E.g.: Nazca Plate and South American Plate
Constructive - Rising convection currents pull crust apart forming volcanic ridge - Mid-Atlantic Ridge - E.g.: Eurasian and North American Plates
Conservative - Two plates slide past each other - Earthquakes occur here - E.g.: San Andreas Fault, California
Collision - Two continental plates collide and the two plates buckle - Many earthquakes occur here - E.g.: Indo-Australian and Eurasian plates
Continential Drift Theory: Alfred Wegener > Scientists know that the continents were once all joined together. They formed a supercontinent called Pangea.
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