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GS Geography Physical Geography of World
Q.

Who proposed Continental drift theory?
Explanation:

ANS. (A) 
Continental drift is the movement of the Earth’s continents relative to each other, thus appearing to “drift” across the ocean bed. The concept was independently and fully developed by Alfred Wegener in 1912. The idea of continental drift has been subsumed by the theory of plate tectonics, which explains how the continents move.

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