Plate Tectonics

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Across
  1. 4. Tectonic plate descends beneath
  2. 5. More dense plates
  3. 6. Tectonic plates move past each other
  4. 8. Tectonic plates collide
  5. 9. Forms at plate boundaries
  6. 10. Molten rock housed in the mantle of
Down
  1. 1. Magma rises and sinks
  2. 2. Tectonic plates move apart
  3. 3. Less dense plates
  4. 7. A gap between two tectonic plates