FaithKeyes3196 FaithKeyes3196

25-02-2018
Physics

contestada

Describe how water may be treated before people use it

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kainatqahafa7 kainatqahafa7

25-02-2018

water is treated by purifying it by adding slaked lime or potash alum

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aryonrai aryonrai

25-02-2018

They purify the water so that people can use it for things and drinking. They chloride, boil, or use ultraviolet light to kill bacterias that can harm us

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