Across
- 4. the earlier one
- 6. meant to happen
- 7. extremely large
- 10. stop
- 12. accepted as true
- 13. dying out
- 14. very large
- 16. hopeless
- 17. space rock
- 18. a dinosaur type
- 19. towards the sea
Down
- 1. mainly
- 2. live at the same time
- 3. snake
- 5. destroy
- 8. proving
- 9. start
- 11. doubtful
- 15. main landmass
- 17. suppose something