spelling lessons

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Across
  1. 4. a person who writes for a newspaper
  2. 7. knowledge that people use to make a life
  3. 10. person who purchases goods
  4. 14. a dealer in flowers
  5. 15. stairway who steps move continuously
  6. 16. increases or decreases voltage
  7. 18. person who types
  8. 19. a member of the jury
  9. 20. the number by which another number is divided
Down
  1. 1. person who flies a plane
  2. 2. study of myths
  3. 3. person who carries out an investigation
  4. 5. one who makes repairs onto a machine
  5. 6. the study of living things
  6. 8. person that makes goods for sale
  7. 9. someone who sells jewelry
  8. 11. who studies the origin of the earth
  9. 12. throws an image onto a wall
  10. 13. does not conduct heat well
  11. 17. onlooker