Plate tectonics

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Across
  1. 4. When two plates divide
  2. 5. When two plates collide
  3. 6. When two plates slide
Down
  1. 1. drift The theory that all the continents were connected and then started to drift away from each other
  2. 2. The theory that all 7 continents were combined.
  3. 3. spreading When new oceanic crust forms and when magma rises up