Environment & Ecology · Environmental Engineering
The 'Oxygen Sag Curve' in a polluted stream occurs because the net rate of dissolved oxygen change is:
- 1governed by linear addition and non-linear depletion of oxygen
- 2a function of both the rate of reaeration and the rate of deoxygenation in the stream✓
- 3a function of the rate of deoxygenation (depletion of oxygen) from the stream only
- 4a function of the rate of reaeration (addition of oxygen) to the stream only
Correct answer
a function of both the rate of reaeration and the rate of deoxygenation in the stream
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