Nolan's crossword

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Across
  1. 3. goods and services are produced
  2. 5. person who is walking
  3. 8. earth
  4. 9. talented at music
  5. 12. horse
  6. 13. human being
  7. 15. person who collects stuff
Down
  1. 1. poets or poetry
  2. 2. careful search in a crime
  3. 4. some who studies the universe
  4. 6. someone who tells jokes
  5. 7. something poisonous
  6. 10. sold without a brand name
  7. 11. appliance that keeps things cold
  8. 14. academic learning