Answer:
I and III
Explanation:
Acid deposition will decrease pH levels in lakes and rivers since it contaminates them and lowers their pH, and organisms may be affected by the increased acidity in their immediate surroundings, but aluminum has nothing to do with pH levels at all.
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Option I and III shows the problems of environmental indicators of acid deposition.
The following information should be considered:
Therefore we can conclude that options I and III are correct.
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