Geography, 10.10.2019 22:30 hazeleyes2006

Awater treatment facility that has been using chlorine to disinfect wastewater is considering changing processes. which of the following is an effective alternative to using chlorine? (3 points)

aerating the wastewater

adding alum to the wastewater

filtering the wastewater through charcoal

heating the wastewater to its boiling point

exposing the wastewater to ultraviolet radiation

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