Plate tectonics is a scientific theory describing the large-scale motion of seven large plates and the movements of a larger number of smaller plates of Earth's lithosphere, since tectonic processes began on Earth between 3.3 and 3.5 billion years ago.
Tectonic plates are the fragmented parts of the lithosphere formed by the breaking of the crustal block due to the rising convention current from the mantle.
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Plate tectonics is a scientific theory describing the large-scale motion of seven large plates and the movements of a larger number of smaller plates of Earth's lithosphere, since tectonic processes began on Earth between 3.3 and 3.5 billion years ago.
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Tectonic plates are the fragmented parts of the lithosphere formed by the breaking of the crustal block due to the rising convention current from the mantle.
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