9.1 Continental Drift
Continental drift• A hypothesis that originally proposed that the  continents had once been joined to form a  single super...
Pangaea• the proposed supercontinent that 200 million  years ago began to break apart and form the  present landmasses
Key Concept• Wegener’s continental drift hypothesis stated  that the continents had once been joined to  form a single sup...
Key Concept• Fossil evidence for continental drift includes  several fossil organisms found on different  landmasses.
Key Concept• Rock evidence for continental drift exists in  the form of several mountain belts that end at  one coastline,...
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Earth science 9.1

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Earth science 9.1

  1. 1. 9.1 Continental Drift
  2. 2. Continental drift• A hypothesis that originally proposed that the continents had once been joined to form a single supercontinent
  3. 3. Pangaea• the proposed supercontinent that 200 million years ago began to break apart and form the present landmasses
  4. 4. Key Concept• Wegener’s continental drift hypothesis stated that the continents had once been joined to form a single supercontinent
  5. 5. Key Concept• Fossil evidence for continental drift includes several fossil organisms found on different landmasses.
  6. 6. Key Concept• Rock evidence for continental drift exists in the form of several mountain belts that end at one coastline, only to reappear on a landmass across the ocean.

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