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|
|
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| 1. A |
2. C |
3. D |
| 4. D |
5. B |
6. B |
| 7. A |
8. C |
9. C |
| 10. B |
11. C |
12. B |
| 13. C |
14. C |
15. A |
| 16. A |
17. B |
18. B |
| 19. A |
20. D |
21. blood |
| 22. living |
23. through |
24. valleys |
| 25. forms |
26. oceans |
27. system |
| 28. streams |
29. lead |
30. mouth |
| 31. fresh |
32. important |
33. destroys |
| 34. clean |
35. nature |
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