Continent move by a.water eroding.b. conveyor-like belt of magma dragging plate ad continental c. Ring of fire.d.wind shifting crust

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Continents move by
a.water eroding.
b. conveyor-like belt of magma dragging continental plates
c. Ring of fire.
d.wind shifting crust

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http://www.factmonster.com/dk/encyclopedia/continents.html