MCQOPTIONS
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MCQOPTIONS
| 1. |
What is the minimum amount of DO required for the life survival of aquatic animals? |
| A. | 10 mg/l |
| B. | 5 mg/l |
| C. | 2 mg/l |
| D. | 1 mg/l |
| Answer» D. 1 mg/l | |