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Which of the following is an indicator of good water quality? pH higher than 9.0 Low levels of fecal coliform Low levels of dissolved oxygen All of the above
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Hello @countryboy15243 ! What do u believe should be the correct option ?
hey dude d
The presence of fecal coliform indicates the possible presence of organisms that can cause illness. So good water should contain minimal amount of fecal coliform
Water is neutral and has a pH of 7, any deviation from this ph indicates presence of impurities.
Low levels of dissolved oxygen means high rate of aerobic activity which in turn indicates presence of aerobic bacteria.
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So the correct option is B
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@countryboy15243
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