mudasir
mudasir
20-01-2017
Biology
contestada
what is hard water? what cause hardness of water?
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TheGhettoPug
TheGhettoPug
20-01-2017
Hard water is water that has a high mineral content. Hard water is formed when water percolates through deposits of limestone and chalk which are made up mostly of calcium and magnesium carbonates.
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tjrgfj
tjrgfj
09-10-2020
Answer:
im confused what do u mean??
Explanation:
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