Biochemical oxygen demand is a measure of
A) The amount of oxygen present in a water sample.
B) The amount of undissolved solid matter present in a water sample.
C) The amount of organic matter present in a water sample.
D) The number of bacteria present in a water sample.
E) All of the above.
Correct Answer:
Verified
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Q35: NH3 ?NO?-
A) Takes place under aerobic conditions.
B)
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A)
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