Environment & Ecology · Water Pollution
Biochemical Oxygen Demand (BOD) is directly connected with which of the following?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Only the amount of inorganic salts present in water
- 2Only the concentration of dissolved ozone in the upper atmosphere
- 3The amount of organic matter and the activity of microbes in water✓
- 4The density of heavy metals in municipal sewage
Correct answer
The amount of organic matter and the activity of microbes in water
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