AP Environmental Science Quiz
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ENERGY RESOURCES AND CONSUMPTION
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A country proposes building a large hydroelectric dam on a free-flowing river. The plan includes a high dam wall, a reservoir that floods several upstream villages, and a power station where released water spins turbines connected to generators. After construction, downstream flood peaks are reduced, but the river channel below the dam begins to erode because less sediment is delivered. Which outcome is the most likely environmental impact directly linked to how dams operate?
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