What is plate tectonics theory
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Plate tectonics (from the Late Latintectonicus, from the Greek: τεκτονικός pertaining to building")is a scientific theorydescribing the large-scale motion of seven large plates and the movements of a larger number of smaller plates of the Earth's lithosphere, since tectonic processes began on Earth between 3 and 3.5 billion years ago. The model builds on the concept of continental drift, an idea developed during the first decades of the 20th century. The geoscientific community accepted plate-tectonic theory after seafloor spreading was validated in the late 1950s and early 1960s.
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