Who among the following gave the theory of continental drift?

Who among the following gave the theory of continental drift?
[A]Arthur Holmes
[B]Alfred Wegener
[C]Jean-Baptiste Élie de Beaumont
[D]Harry Hess

Alfred Wegener
According to the theory of plate tectonics, the outermost portion of Earth is composed of a patchwork of thin, rigid lithospheric plates that move horizontally with respect to one another. The idea began as a hypothesis called continental drift proposed by Alfred Wegener at the start of the 20th century. He suggested that about 200 million years ago, all the continents were combined into one large continent (Pangaea) surrounded by a single large ocean (Panthalassa). Harry Hess advanced the idea of sea floor spreading.

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