

MCQOPTIONS
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1. |
Consider the following statements with reference to oxidation ponds :1. They require high initial investments2. They have low operational cost3. They are also called stabilization ponds.Which of the statements given above are correct ? |
A. | 1 and 2 |
B. | 2 and 3 |
C. | 1 and 3 |
D. | 1, 2 and 3 |
Answer» C. 1 and 3 | |