UNIT 4

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Across
  1. 3. landslide
  2. 4. politeness
  3. 5. resourceful
  4. 10. water diving
  5. 11. migration
  6. 14. dangle
Down
  1. 1. to bolster
  2. 2. organic
  3. 4. researcher
  4. 6. bomb
  5. 7. trip
  6. 8. dive in
  7. 9. law
  8. 12. height
  9. 13. water drop