Final answer:
The correct order of water purification steps is coagulation, sedimentation, filtration, and disinfection.
Explanation:
The correct order of water purification steps is as follows:
- Coagulation: Chemicals are added to untreated water to clump solids together.
- Sedimentation: The water is moved to tanks where clumped solids sink to the bottom.
- Filtration: Water is passed through filters to remove smaller particles.
- Disinfection: Chlorine is added to kill bacteria and microbes.
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