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gayaneshka [121]
3 years ago
8

Hard water contains relatively large concentrations of

Chemistry
2 answers:
ycow [4]3 years ago
5 0

Answer:

<u><em>D.</em></u>

<u><em>All of these ions</em></u>

Explanation:

Hope this helps:)

galben [10]3 years ago
3 0

Answer:

I think the answer is All of these ions

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