______ is the process of allowing particles in suspension in water to settle out of the suspension under the effect of gravity.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is Option 4. i.e. Sedimentation.
- Sedimentation is the process of allowing particles in suspension in water to settle out of the suspension under the effect of gravity.
- It is the disposition of rock fragments, soil, organic matter, or dissolved material that has been eroded or has been transported by water, wind, ice or gravity.
- Sedimentation is one of the methods used by Municipalities for treating water. It is a physical water treatment process. Gravity is used to remove suspended solids from water.