Science, asked by taraibidya, 11 hours ago

61) The hardness of water is due to : (a) Oxygen (b) Dissolved substances (c) Hydrogen (d). Too much salt

Answers

Answered by rameshsandhiya426

1

Answer:

b.Dissolved substances

Answered by Itzmeuradvika

0

Answer:

dissolved substances

Explanation:

hope it helps you

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