Environment & Ecology · Environmental Science
Arrange the following drinking water treatment steps in correct sequence for conventional treatment: A. Filtration B. Sedimentation C. Coagulation and Flocculation D. Disinfection
- 1C → B → A → D✓
- 2C → A → B → D
- 3B → C → A → D
- 4A → C → B → D
Correct answer
C → B → A → D
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