McqMate
| Q. |
The heavy particles in the tank |
| A. | float |
| B. | sink into the bottom |
| C. | separated using magnetic methods |
| D. | flow along liquid |
| Answer» B. sink into the bottom | |
| Explanation: liquid flows through the top and heavy particles sink to the bottom, while scum floats to the top. over time, the solids that settle to the bottom are degraded anaerobically. | |
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