Nat. disasters

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Across
  1. 3. excellent in his/her work
  2. 4. zones where people live by the sea/ocean
  3. 6. going against each other by accident.
  4. 7. bone of contention The topic meant for discussing
  5. 8. very keen on certain things
  6. 10. synonyme: danger/threat
  7. 11. causes a chain of events
Down
  1. 1. crushes into small pieces
  2. 2. populated area where a lot of ppl live
  3. 3. going in uninvited/by causes
  4. 5. an argument for Smth
  5. 9. destroys everything in its path