A rapidly growing coastal city discharges large volumes of warm, treated wastewater into a nearby bay. Chemical tests show low nutrient and contaminant levels, but seagrass beds decline and some fish species disappear. Which primary effect of this discharge most directly explains the ecological changes?

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Answer

Acidification of the bay reducing shell formation

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Immediate toxic poisoning from residual disinfectants

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Altered temperature regime stressing sensitive species

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Increased salinity that dehydrates freshwater organisms

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A rapidly growing coastal city discharges large volumes of warm, treated wastewa...

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