Explain the methods of water purification.
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There are several methods used in the water purification process, which include: (1) physical processes, such as filtration, sedimentation, or distillation; (2) biological processes, such as sand filters, active carbon; (3) chemical processes, such as flocculation, chlorination, the use of ultraviolet light. (Hope this helps:) )

Explanation:

yes, because even though a theory has a  lot of evidence to support it, it is not always true