AP Environmental Science Quiz
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AQUATIC AND TERRESTRIAL POLLUTION
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Which example is most clearly a point source of thermal pollution?
A
A power plant releasing warm cooling water through a single discharge canal into a river, raising temperature near the outlet.
B
Loss of riparian shade along many kilometers of stream from widespread logging, increasing sunlight and water temperature broadly.
C
Regional air temperatures increasing over decades due to greenhouse gases, warming surface waters across an entire watershed.
D
Multiple shallow ponds created across farmland, warming runoff slightly before it enters streams at many locations.
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