11 mark
Which of the following is a likely consequence of eutrophication in a freshwater lake?
Increased oxygen levels
Decreased fish populations
Lower nitrogen and phosphorus levels
Increased water clarity
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Eutrophication (College Board AP® Environmental Science): Exam Questions
2 mins2 questions
21 mark
Which of the following best describes hypoxic waterways?
Waterways with high levels of dissolved oxygen
Waterways that are low in dissolved oxygen
Waterways with balanced oxygen levels suitable for all aquatic species
Waterways with high concentrations of nutrients and low temperature
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