| Question | The best form of treatment … water filtration and chlorination of water sources. |
|---|---|
| Title | 895 |
| QType (0=kprim,1=mc,2=sc) | 2 |
| Q_1 | is |
| Q_2 | are |
| Q_3 | it is |
| Answers | 1 0 0 |
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