O d) all of the above. QUESTION 33 10 points ·Save Answer A key process in the w
ID: 195620 • Letter: O
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O d) all of the above. QUESTION 33 10 points ·Save Answer A key process in the waste assimilation in a stream or river Is O a) the physical O b) the physical process of process of dilution reaeration. O c) the biological process in which microorganisms in the water use dissolved oxygen to metabolize organic pollutants O d) all of the above. QUESTION 34 10 points Save Answer cal oxygen demand, or BOD, as dissolved oxygen Is reduced the competing process of reaeration kicks in, this causes the dissolved oxygen to change as a function of time or distance. This leads to the stream having a O a) dissolved oxygen profile. O b) dissolved axygen dilution. O c) dissolved oxygen enhancement O d) all of the above 10 points Save Answer QUESTION 35 Most streams that are polluted by a point source of biodegradable organic substances can be described and evaluated in terms of four zones, one of which is O a) the zone of degradation. O b) the zone of active decomposition. O c) the zone of recovery. d) the zone of clean water. O e) all of the above.Explanation / Answer
Answer 33:- (d) all the above
Answer 34:- (b) dissolved oxygen dilution
Answer 35:- (e) all the above
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