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Advanced Placement (AP), 08.04.2021 06:30 jadenp23
An ecologist suspects that an otherwise healthy estuary ecosystem experienced an unusually high level of acid deposition during a rainy spring. Which of the following should the ecologist measure to help confirm her hypothesis? (5 points)
Changes to the population of indicator organisms
The aluminum concentration in the water
The temperature of the water
A I only
B I and II only
C II and III only
D I, II, and III
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