Vocabulary Quiz:

1. combustion

2. acid

3. allocate

4. conventional

5. phenomenal

6. cushion over

7. tumble

8. resonate

9. carry out

10. manifest

11. level

12. substantial

13. recent

14. extinct

15. provincial

16. amassed

17. hindrance

18. ethanol

19. foray

20. outweigh

Time left: 200 seconds