A dam is built in a remote area to provide electricity to nearby towns.

What is an unlikely effect of the dam?

Responses

increased fertility of the land downstream
increased fertility of the land downstream

decreased aquatic life upstream from warmer temperatures
decreased aquatic life upstream from warmer temperatures

decreased farming downstream from the infertile soil
decreased farming downstream from the infertile soil

increased weed growth downstream from clear water

1 answer

An unlikely effect of the dam is increased fertility of the land downstream.

Dams can alter sediment transport, which can lead to reduced soil fertility downstream, as sediments that would typically replenish the soil during floods are trapped behind the dam.