Chemistry · Environmental Chemistry
Biochemical Oxygen Demand (BOD) is a measure of organic material present in water. A BOD value less than 5 ppm indicates that the water sample is __________.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1completely unsuitable for aquatic life
- 2moderately polluted
- 3poor in dissolved oxygen and highly polluted
- 4clean and rich in dissolved oxygen✓
Correct answer
clean and rich in dissolved oxygen
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