Plate Tectonics Plate Tectonics Earthâs Drifting Continents Theory of Continental drift- the theory, proposed by Alfred Wegener, that the continents were once joined together…

Plate Tectonics Plate Tectonics Earthâs Drifting Continents Theory of Continental drift- the theory, proposed by Alfred Wegener, that the continents were once joined together…

Plate Tectonics Plate Tectonics Earthâs Drifting Continents Theory of Continental drift- the theory, proposed by Alfred Wegener, that the continents were once joined together…

Plate Tectonics Plate Tectonics Earthâs Drifting Continents Theory of Continental drift- the theory, proposed by Alfred Wegener, that the continents were once joined together…

Slide 1 17-2 Seafloor Spreading Objectives  Summarize the evidence that led to the discovery of seafloor spreading  Explain the significance of magnetic patterns on…

Chapter 3 Plate Tectonics 3-1 Earthâs Drifting Continents Theory-guess A land bridge once stretched across the Atlantic Ocean and connected South America and Africa Evidence…