[title of this crossword]

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Across
  1. 1. hot liquid rock below the surface of Earth
  2. 6. a long, deep indentation in the ocean floor formed when two plates move together
  3. 7. sounds of this geologic activity can be used as evidence of plate motion
  4. 9. most of the rock that makes up land comes from…
  5. 10. the landform unique to divergent boundaries
  6. 11. a long, deep indentation in the ocean floor formed when two plates move together
  7. 12. moving toward the same place
Down
  1. 2. an underwater mountain range formed when two plates move apart
  2. 3. the plates make up this
  3. 4. below the ocean, you would find this
  4. 5. the landform unique to convergent boundaries
  5. 8. moving apart in different directions
  6. 10. the layer of soft, solid rock underneath Earth's plates