Across
- 3. maintenance
- 8. crew
- 9. empire
- 10. brief
- 12. scientist
- 14. favour
- 17. breathe
- 18. journey
- 19. distance
- 20. reject
- 21. regard
- 22. limit
Down
- 1. threat
- 2. graduate
- 4. discovery
- 5. duty
- 6. desperate
- 7. progress
- 11. heroine
- 13. avoid
- 15. persuade
- 16. scar