Trace the process of water treatment.

In water treatment, the first step is filtration. The first filtration removes large pieces of sediment and debris. The next step is coagulation. In coagulation, a chemical is added to help the sediment and debris clump together. Next, the water is sent to a settlement basin where these large chunks are allowed to settle out. Then, the water is filtered for a second time. The next step is to chlorinate the water in order to kill bacteria. The water is now safe for human use. However, the water is usually aerated to improve taste and softened to reduce pipe build up and increase our soap's ability to set up.

Explanation:

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