Flashcards on Untitled_2, created by george123 on 04/29/2013.
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Created by george123
almost 11 years ago
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2016-02-19T07:09:33Z
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what is healthier to drink-hard or soft water?
How is drinking water treated to make it safe?
why is distillation not used to treat mains tap drinking water?
one advantage of softening water
one advantage of hard water
what would be the consequences of not adding chlorine or flouride to tap water?
