Question

how the biological oxygen demand gets affected by the increased presence of organic matter in the water?
A. The oxygen demand increase
B. The oxygen demand decrease
C. The oxygen demand remains unchanged
D. None of the above

Answer 1

Answer:

the oxygen demand increased

Explanation:

the presence of organic matter increases the presence of many living decomposers as a result the oxygen consumption increases and the overall oxygen demand increases

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Answer 2

Answer:

dont know

Explanation: