Crossword Puzzle

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Across
  1. 3. Definite
  2. 6. part of
  3. 7. unknown value
  4. 9. two in one
Down
  1. 1. synonym of arranged
  2. 2. One element
  3. 4. Empty
  4. 5. measuring earth
  5. 8. right..?
  6. 10. A part of a plant