PH-2320
Energy resources
Physics · Secondary 4 · Medium · Energy resources
A river valley is blocked by a new dam to generate hydroelectric power. Which environmental effect is most directly caused by using this renewable energy resource?
- Increased air pollution from burning fuel at the dam
- Flooding of upstream habitats to create a reservoir
- Production of sulphur dioxide leading to acid rain
- More carbon dioxide from fuel combustion at the turbines
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