Crossword

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Across
  1. 3. announce
  2. 5. community
  3. 7. unknown
  4. 9. characteristics
  5. 10. except
  6. 11. , classification
  7. 13. sphere
  8. 14. right
  9. 15. effect
  10. 16. sure
  11. 17. almost
Down
  1. 1. uniform
  2. 2. biography
  3. 4. milligram
  4. 6. bicycle
  5. 8. atmosphere
  6. 12. suddenly