According to the theory of plate tectonics, the earth’s outer shell or the Lithosphere is divided into several plates that glide over the mantle, the rocky inner layer above the core. It denotes the movements of seven large plates and many minor plates. Six of the major plates are named after their respective continents, like North American, Eurasian, African, and Antarctic plates. Basically, the theory explains how Earth works. The churning currents from the molten rocks below the lithosphere cause the plates to move. The tectonic plates play a very important role in geologic happenings like earthquakes, volcanoes or creation of mountains.
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