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Why is acid rain harmful for aquatic organisms in lakes?

Answer and explanation

Correct answer: It can lower water pH and affect life processes

Acid rain forms when acidic oxides, especially sulfur and nitrogen oxides, react with atmospheric moisture and produce acidic substances. When this precipitation enters a lake, it can lower the water’s pH. A changed pH can disturb enzyme activity, respiration, reproduction, and mineral balance in aquatic organisms, and may also increase the solubility of harmful metals. Thus A is correct; the other options deny or trivialise the chemical effect.

Related tags

Acid RainAquatic LifePhAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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