The potential effect of air pollution among the given choices is Heart disease.
Air pollution has been linked to a range of health issues, including respiratory problems, cardiovascular diseases, and other chronic conditions. Fine particulate matter and other pollutants in the air can enter the lungs and bloodstream, leading to increased risks of heart disease, strokes, and other heart-related conditions.
"Easier breathing" and "hearing loss" do not typically result from air pollution, while "water treatment" is unrelated to air pollution effects.
