Continental Drift

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What is Continental Drift?

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The theory that continents have moved over geological time from one location to another on the Earth's surface.

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What was Pangaea?

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A supercontinent that existed during the late Paleozoic and early Mesozoic eras, which eventually broke apart to form the current continents.

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What evidence supports the theory of Continental Drift?

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Fossil evidence, matching geological formations, and climate evidence such as glacier scars.

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Who proposed the theory of Continental Drift?

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Alfred Wegener.

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What are glacier scars?

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Marks left on the Earth's surface by the movement of glaciers, indicating past climatic conditions.

Front

What is the significance of matching fossils found on different continents?

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It suggests that continents were once connected, allowing species to inhabit a larger area.

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What role do mountain ranges play in supporting Continental Drift?

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Mountain ranges that align across continents indicate that those continents were once joined.

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What is the difference between Continental Drift and Plate Tectonics?

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Continental Drift refers specifically to the movement of continents, while Plate Tectonics encompasses the movement of the Earth's lithosphere as a whole.

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What is the importance of climate evidence in Continental Drift?

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Climate evidence, such as coal deposits in cold regions, suggests that continents have moved to different climatic zones over time.

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What are the three types of evidence that support Wegener's theory?

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Fossils, landforms, and climate evidence.