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Our body requires water for many reasons, for digestion, the cleaning of teeth indirectly caused by saliva ,and an abundance of other reasons. Fresh water does not contain parasites or bacteria that would harm us.

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14y ago

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Why is gray water important?

If activities like watering the lawn or flushing the toilet were done with grey water instead of fresh water, more fresh water would be conserved.


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Why is most of earths fresh water not usable?

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