CROSSWORD

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Across
  1. 4. To stay away from something.
  2. 5. A gas that is essential for breathing.
  3. 6. To try to do something.
  4. 9. Giving help or encouragement.
  5. 10. Having an even surface; not rough.
  6. 13. Something said to inform people.
  7. 14. Things that can be used to help achieve a goal.
  8. 16. Related to all people or the community.
  9. 17. Correct or exact.
  10. 18. Very old; from a long time ago.
  11. 20. Something you succeed in doing after effort.
Down
  1. 1. Having strong feelings about something.
  2. 2. Very surprised or impressed.
  3. 3. To change to suit new conditions.
  4. 7. Harmful substances in the environment.
  5. 8. A person who designs buildings.
  6. 11. A surface that shows your reflection.
  7. 12. Very clever or impressive.
  8. 15. A person who talks or gives a speech.
  9. 19. The ability to see.