Tsunami

Edit Answers
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Across
  1. 6. the place where two tectonic plates meet
  2. 7. to use a lot of strength to move sth
  3. 8. to come away from the coast
  4. 9. all the plants and animals that live in an area and their relationship to each other in the food chain
  5. 11. away from the place sth started
  6. 13. to move smoothly over sth
  7. 14. huge piece of land under the sea falling away from another piece
  8. 16. a large amount of destruction
  9. 18. pieces of the Earth’s crust
  10. 20. in the way of another thing
  11. 21. to destroy; to level
Down
  1. 1. a natural movement of sea water but at great speed
  2. 2. over a wide area or involving lots of people/things
  3. 3. the force of one thing hitting another
  4. 4. to move gently in small waves (of water)
  5. 5. activity during which a volcano explodes
  6. 10. the rate at which sth moves
  7. 12. death
  8. 15. first
  9. 17. a small smooth stone
  10. 19. the place where the sea meets the land