Closed Syllables, Megawords Chapter 2

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Across
  1. 4. to set up
  2. 8. a difficulty
  3. 10. deep, rocky landform
  4. 11. opposite of present
  5. 12. frantic
Down
  1. 1. an ocean
  2. 2. intelligence
  3. 3. an outdoor meal
  4. 5. wonderful
  5. 6. a cover for keeping warm
  6. 7. when one civilization takes over another
  7. 9. put together