Vocabulary Quiz:

1. desalination

2. conserve

3. amazement

4. diagonal

5. adequate

6. creek

7. pollutant

8. rare

9. retail

10. whim

11. steep

12. recall

13. facet

14. plain

15. facility

16. thunderstorm

17. periodic

18. prooficient

19. boredom

20. aircraft

Time left: 200 seconds