Plate tectonics crossword

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Across
  1. 5. boundary When two plates move toward each other
  2. 6. plates There are seven of these
  3. 7. Is formed when subduction occurs
  4. 9. boundary Where two plates move away
  5. 11. Is caused by divergent boundaries
  6. 12. Causes volcanoes to erupt
Down
  1. 1. When a plate goes under another plate
  2. 2. is what causes tectonic plates to move
  3. 3. Ocean trench Is caused by convergent boundaries
  4. 4. Is caused by divergentivrgent boundaries
  5. 8. is caused by transform boundaries
  6. 10. boundary When two plates slide past each other