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Created page with "== Introduction == Tectonic activity, also known as plate tectonics, refers to the movement and interaction of the Earth's lithospheric plates. This geological concept explains the large-scale motions of the Earth's lithosphere, the rigid outermost shell of the Earth that includes the crust and the upper mantle. The theory of plate tectonics has revolutionized our understanding of Earth's physical features and its geological history. Image:Detail-7..."
