Biology · Environmental Biology
In a typical untreated domestic sewage wastewater sample, which of the following is expected to have the highest concentration value (mg/L)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Nitrogenous biochemical oxygen demand
- 2Carbonaceous Biochemical oxygen demand
- 3Chemical oxygen demand✓
- 4Dissolved oxygen
Correct answer
Chemical oxygen demand
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