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III. Section 3 Drifting Continents

III. Section 3 Drifting Continents

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III. Section 3 Drifting Continents. A. Continental Drift. Wegener-all continents were once joined together as a single land mass Continental Drift-the idea that continents slowly moved over Earth’s surface Pangea- Supercontinent - PowerPoint PPT Presentation

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Page 1: III. Section 3  Drifting  Continents

III. Section 3 Drifting Continents

Page 2: III. Section 3  Drifting  Continents

A. Continental Drift1. Wegener-all continents were once joined together as a

single land mass2. Continental Drift-the idea that continents slowly moved

over Earth’s surface3. Pangea- Supercontinent4. Evidence from land features-pieced together maps found

mountain ranges fit together5. Fossils- Fossils found in places that were once seperated by

land6. Climate- Fossils of tropical plants were found near the poles

and vice Versa

Page 3: III. Section 3  Drifting  Continents

B. Wegener’s Hypothesis Rejected1. Could not give a satisfactory explanation as

to why the continents were moving2. Proposed when continents collide their edges

crumple and fold causing mountains to form