10. The Bermuda Triangle

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Across
  1. 2. an accident in which a vehicle is seriously damaged by hitting something
  2. 4. something that is difficult to understand or explain
  3. 7. the parts of something that are left after the rest has been destroyed
  4. 8. all the vehicles driving along a certain road or in a certain area
  5. 9. the facts or objects that make you believe that something is true
Down
  1. 1. to become lost; to stop existing
  2. 3. being the cause of something
  3. 5. the destruction or sinking of a ship at sea
  4. 6. an idea that is suggested as possibly true but that is not known