Environment & Ecology · Environment
Water with a Biochemical Oxygen Demand (B.O.D.) level of ________ is considered very clean and good for consumption/aquatic life.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 110 - 15 ppm
- 26 - 9 ppm
- 33 - 5 ppm
- 41 - 2 ppm✓
Correct answer
1 - 2 ppm
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