Plate Tectonics

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Across
  1. 4. The idea that continents are split up between different pieces of rock
  2. 5. Came up with continental drift
  3. 6. Came up with the theory of Sea Floor Spreading
Down
  1. 1. Movements of material in the Asthenosphere
  2. 2. The theory of continents moving
  3. 3. Super continent