MCQOPTIONS
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| 1. |
Septic tank is aA. settling tank.B. digestion tank.C. aeration tank.Which of the above is/are correct?Select the code for the correct answer from the options given below |
| A. | A only |
| B. | A and B only |
| C. | A and C only |
| D. | C only |
| Answer» C. A and C only | |