Multiple Choice
How does BOD relate to dissolved oxygen and result in fish kills?
A) BOD oxygen is a form that fish do not take up through their gills, so fish die when BOD is high.
B) BODs are organisms that produce toxins that kill fish, dissolved oxygen increases when there are fewer fish using oxygen.
C) BOD is the amount of oxygen used by microorganisms, when it is high there is not enough oxygen left for fish and they die.
D) Fish cannot live in BOD sewage and they die, oxygen decreases with fewer fish present
Correct Answer:
Verified
Correct Answer:
Verified
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