Question

PLEASE VERY SIMPLE QUESTION: The graph above shows the effect of sew biological oxygen demand (BOD) and dissolved oxygen (DO) in a flowing stream. The smallest fish populations will most likely be found at point...​

Answer 1

Answer:

A

Explanation:

closer to the sewage spill- less fish there will be because sewage is poisonous and at A the BOD is relatively high

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Answer 2

Answer:

The higher the BOD value, the greater the amount of organic matter or “food” available for oxygen consuming bacteria.

Explanation:

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