inner core, outer core, mantle, crust - Layers of the Earth, Alfred Wegner - Proposed the Continental Drift theory, South America and Africa - Looks like these two continents fit together, fossils - These are found where they should not be., It means all land - Pangea, Reason Alfred Wegner was not believed - Wegner could not identify what caused the continents to move,

Continental Drift Intro Memory Cards

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