Plate tectonics

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Across
  1. 6. Plate boundary where two plates move apart
  2. 9. Most common cause of tsunamis
  3. 10. Surface of the earth
  4. 12. super continent that once existed
  5. 14. land-form formed at a divergent boundary
  6. 16. Composite volcano in Washington State
  7. 19. Bottom of a wave
  8. 20. Boundary where two plates slide past each other
Down
  1. 1. The force that drives wind and waves
  2. 2. The exact age of something
  3. 3. Boundary where 2 plates move towards each other
  4. 4. Age based off something else
  5. 5. Top of a wave
  6. 7. Where the lava comes out of the volcano
  7. 8. Sea floor ________
  8. 11. Magma on the surface
  9. 13. The word for volcanoes when they blow up
  10. 15. Youngest and most active volcano in Hawaii
  11. 17. Natural disaster as a result of an earthquake (shorline)
  12. 18. Lava under the surface of the earth