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Why is acid rain harmful to aquatic organisms?

Answer and explanation

Correct answer: It lowers water pH and affects life processes

The governing concept is environmental acidification. Acid rain contains acids formed when atmospheric pollutants react with water and oxygen. When this rain enters lakes or streams, it can lower their pH. Aquatic organisms may then experience disturbed enzyme activity, reproduction, respiration, and mineral balance; sensitive species can decline or die. Hence option A is correct, while B, C, and D do not describe the chemical or biological effect.

Related tags

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

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