Respuesta :
It's the first option, because that's the only option that is not negative.
The negative aspect associated with hydroelectric power is :
- The dams will reduce the downstream flow of river.
- The dams will flood upstream land.
What is Hydroelectric power?
This is defined as the electricity which is derived from generators driven by turbines in dams.
The dams need to have adequate water which will reduce downstream flow of river and flooding of upstream land.
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