kelseybehrends2 kelseybehrends2

23-02-2017
Chemistry

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The level of two minerals—calcium and magnesium—in water is referred to as ____________________.

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lildbemo lildbemo

23-02-2017

i believe the answer is Hardness

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endergaming032 endergaming032

23-02-2017

hardness. i used to know that question. but not anymore. soz.

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