Across
- 4. to fail to understand how large or great something is
- 5. to create or produce something
- 7. costs
- 8. investigation
- 9. eperimentation on animals
- 10. strong and reliable
- 13. trustworthy, valid
- 14. instructions
- 16. to reach a point of highest development
- 17. to complain about something
Down
- 1. a deep and accurate understanding of something
- 2. tests
- 3. financial support
- 6. the process of dying out
- 8. money
- 11. the fact of not having something
- 12. synonym of well-being
- 15. detailed examination to get more information