Tsunami

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