Across
- 3. hard
- 4. to detect
- 5. soluble or insoluble
- 6. sea creature
- 7. think
- 8. high or low sound
- 12. run quickly
- 13. den
- 15. serious
- 16. happening now
- 17. sand hill
Down
- 1. strong and thick
- 2. peninsula
- 4. triple changer transformer
- 5. retreat
- 9. powerful movement
- 10. wrap to hide
- 11. self-loving
- 12. growl
- 14. stop growing
