d2y1pz2y630308.cloudfront.net...Lesson Outline for Teaching Lesson 3: The Theory of Plate Tectonics...
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d2y1pz2y630308.cloudfront.net...Lesson Outline for Teaching Lesson 3: The Theory of Plate Tectonics A, The Plate Tectonics Theory 1. The theory of plate tectonics states that Earth's