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Any of the large movable segments in which the earth's lithosphere is divided according to the theory of plate tectonics.
A branch of geology concerned with the structure of the crust of a planet (as Earth) or moon and especially with the formation of folds and faults.
A scientifically acceptable general principle or body of principles offered to explain a phenomena.
A rule or principle stating something that always works in the same way under the same conditions.
Theory of Plate Tectonics
A theory in geology: the lithosphere of the Earth is divided into a small number of moving plates whose movements cause seismic activity.
The area where two tectonic plates pull away from each other and new rock is formed.
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