User:Laleena/Sandbox

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Plate tectonics is the theory (nothing in science can be absolutely proven) that the Earth is constantly moving, usually only a few inches per century. Plate tectonics mainly deals with the crust of the earth, not the mantle or core. The theory of Pangaea is relative to this. The Pangaea theory in its standard form says that the continents as they are now have moved apart over millions of years to make the world the way it is today. Plate tectonics is what causes volcanoes and earthquakes. It can also help with ocean-floor building, etc. When these plates move apart too fast, an earthquake happens. Earthquakes can lead to volcanic eruptions.

Last modified on 20 February 2008, at 01:57