i need it for homework
Read the answers previously posted. We will not do your homework for you. If there is something there that you do not understand after you have tried to, feel free to ask. Also, see Plate Tectonics.
The Pangaea theory is the idea that all continents right now were once all together known as the supercontinent, Pangaea. They started to drift apart 200 million years ago because the Earth’s surface is constantly changing. The Earth’s mantle gets heated up and the magma’s convection currents pulls the tectonic plates, pulling the parts of Pangaea away from each other.
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