Plate Tectonics Unit: Plate Tectonics Unit: Composition of the Earth: Layers of the Earth: Crust: 5-100km thick. Oceanic crust: thin and more dense, mostly basalt Continental…
Unit 3: Plate Tectonics Unit 3: Plate Tectonics AIM: What evidence did Wegener have for Continental Drift? What is Continental Drift? Continental Drift: all of the continents…