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PLEASE HELP ME

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

2 Answers

3 votes

B.Low levels of fecal coliform

User Mxuanlin
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1 vote
Low levels of fecal coliform
User Phani Kumar PV
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