Continental drift is the movement of the Earth's continents relative to each other by appearing to drift across the ocean bed. The speculation that continents might have drifted was first put forward by Abraham Ortelius in 1596.
The concept was independently (and more fully) developed by Alfred Wegener in 1912. He proposed that the continents had once formed a single landmass before breaking apart and drifting to their present locations.
The theory of continental drift was superseded by the theory of plate tectonics, which builds upon and better explains why the continents move.
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The concept was independently (and more fully) developed by Alfred Wegener in 1912. He proposed that the continents had once formed a single landmass before breaking apart and drifting to their present locations.
The theory of continental drift was superseded by the theory of plate tectonics, which builds upon and better explains why the continents move.
Source Wikipedia
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