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13 questions from this quiz
Large, rigid pieces of Earth's crust
Convection currents in the mantle
Circular movements of hot magma
Magma heats up, expands, and rises
It spreads out, dragging plates
Fissure
New land, volcanoes, mid-ocean ridges
Mid-Atlantic Ridge
Plates collide, one sinks below
Andes Mountains in South America
Earthquakes only
Alfred Wegener in 1912
Pangaea
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