The amazing inca crossword puzzle

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Across
  1. 3. a place high in the mountains
  2. 5. the thing that the inca walked on
  3. 7. inca buildings
  4. 8. a material to make chocolate
  5. 9. special people who kept track of taxes
  6. 11. how to keep track of time
Down
  1. 1. type of inca writing
  2. 2. water plants
  3. 4. a way to grow food
  4. 6. thing they had to pay daily
  5. 10. average inca farming type