The theory in question is "Continental Drift Theory"
Further Explanation
Continental drift is a theory put forward by Alfred L. Wegener, according to him, continents are composed of pesky rocks floating in sima rocks which have greater specific gravity. The movement of the continent towards the equator and also to the west which means the continents away from the poles.
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Continental drift brainly.com/question/2143916, brainly.com/question/903117
Details
Class: High School
Subject: Geography
Keywords: Continental drift