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?

1. crust 1 the metallic layer at the earth's center 2. inner core 3 the firm layer between the crust and the asthenosphere 3. lower mantle 2 the layer surrounding the inner core 4. asthenosphere 4 the semi-solid layer between the top layer and the upper mantle 5. upper mantle 5 the layer between the asthenosphere and lower mantle 6. top layer 6 the earth's outermost layer 7. outer core 7 the hottest part of the mantle

Hey this is extremely !international aid debate for geography 10 will mark de brainliest! questions are down below plz put an answer and evidence for it. q1: what are the problems with international aid? q2: what are the alternatives to international aid? q3: what do you think is the best approach to offer international aid? ( answer these questions with credible answers and evidence)

Soil color only reflects the amount of organic matter present in soil.