Compared to Eutrophic Lakes, the Biochemical Oxygen Demand (BOD) of Oligotrophic

question 31

Multiple Choice

Compared to eutrophic lakes, the biochemical oxygen demand (BOD) of oligotrophic lakes is:

• A) low
• B) same
• C) high
• D) unpredictable
• E) extremely high

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Contribution Margin

The difference between the sales revenue of a product and its variable costs, indicating how much contributes to covering fixed costs and generating profit.

Unprofitable Segment

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