Across
- 4. then
- 5. destroys
- 9. doesn't have a lot of water
- 11. they walk
- 14. but
- 15. wants
- 16. can swim
- 18. water vapor
- 19. a big hamburger
- 21. very
Down
- 1. they produce
- 2. wants to attack
- 3. destroys the plants
- 6. they swim very fast
- 7. a lot, much
- 8. the lake
- 10. enters (in) the water
- 12. can't swim
- 13. is not big
- 17. destroys the trees
- 20. they walk through
