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Acid rain lowers the pH of a lake. Why can this seriously affect aquatic organisms?

Answer and explanation

Correct answer: Low pH can disturb life processes of many organisms

The governing concept is that pH measures the acidic or basic condition of water and strongly influences biological and chemical processes. Acid rain introduces acidic substances, lowering lake pH. Excess acidity can interfere with enzyme activity, reproduction, respiration, and the survival of sensitive aquatic organisms; it may also affect dissolved minerals. Thus option A is correct, while the other statements contradict the meaning of low pH.

Related tags

Acid RainPhAquatic LifeAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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