Geography, 03.12.2021 01:00 uuytay

Scenario 2: A river in North Carolina has been tested and the following data is obtained: pH = 8.0
Dissolved Oxygen = 2 mg/L
Nitrates = 11 mg/L
Phosphates = 0.06 mg/L
Biotic Index = 2.1
What is the overall quality of this river? How do you know? If the quality is low, what do you think could be happening in the environment to cause these readings?

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