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Advanced Placement (AP), 09.03.2021 19:50 tay8556

Which of the choices below would best support a scientist's hypothesis that a local town was experiencing acid rain?
A. The concentration of dissolved heavy metals in a local pond experienced an increase.
B. The temperature of a local lake experienced a gradual increase.
C. A sudden die-off of acid-tolerant fishes occurred in a local stream nearby.
D. A local pond experienced a permanent increase in its pH levels.

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