Which of the following things should be present in drinking water? – McqOptions

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1.	Which of the following things should be present in drinking water?
A.	suspended impurities
B.	dissolved gases like \[{{\text{O}}_{\text{2}}}\And \text{C}{{\text{O}}_{\text{2}}}\]
C.	germs and bacteria
D.	All of these
Answer» C. germs and bacteria

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