El crucigrama

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Across
  1. 3. Physics
  2. 5. Because
  3. 11. Mathematics
  4. 13. To the right of
  5. 14. To arrive
  6. 15. Library
  7. 18. To the left of
Down
  1. 1. Business administration
  2. 2. Psychology
  3. 4. To have breakfast
  4. 6. Chemistry
  5. 7. Biology
  6. 8. Wastebasket
  7. 9. Bookstore
  8. 10. To have dinner
  9. 12. English
  10. 16. Economy
  11. 17. History
  12. 19. Next to"besides