mantle flows

What Was Alfred Wegener’s Theory?

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What Was Alfred Wegener’s Theory? Alfred Wegener in Greenland. Plate tectonics is the theory that Earth’s land masses are in constant motion. The realization that Earth’s land masses move was first proposed by Alfred Wegener, which he called continental drift. What did Arthur Holmes propose? Arthur Holmes began studying physics at the Imperial College of

What Are The Two Forces That Cause The Continents To Move?

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What Are The Two Forces That Cause The Continents To Move? The energy source for plate tectonics is Earth’s internal heat while the forces moving the plates are the “ridge push” and “slab pull” gravity forces. It was once thought that mantle convection could drive plate motions What are 2 pieces of evidence for continental