They build dams in rivers because they can get electricity from the energy of water without pollution and it is safe.
You dam rivers.(not dam in a bad way:D)
Love
The Amazon River.
A dam
fte
humans pollute rivers!
Controlled land use, widen rivers, deepen rivers, build a dam
nile river, lake nasser, aswan dam.
The Aswan Dam
Build a dam.
it is a dam that holds back water and it blokes the water like lakes,rivers and the ocean.
Because - the 'usual' function of a dam is to turn the movement of water into electrical energy. If there's no water flowing through the dam - the dam cannot produce power.