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yes.
No.
No hydro power is water and water is a renewable resource.
Aluminium was unknown to the Romans as they did not have the technology to produce it. --------------------------------------------------- You can not smelt aluminium or in a furnace, the process requires electricity. The Romans did not have electricity and therefore the metal aluminium was unknown to them
Because it is cheap and lightweight.
Im not really sure, but most countries use it.
it makes coal so we can use as electricity.
Electricity produced through the use of moving water.
Yes. Hydro power is used to generate electricity, the same that you use at home. This electricity is fed into the grid where it connects to your home and assimilates into your lives.
Storing water in reservoirs and behind dams, allows us to have water for domestic and industrial use throughout the year and, in hydro-electric schemes, the production of electricity.
The environmental threats to the use of hydro electricity may include the loss of habitat for native species, during the construction of new dams -- the survival of some of the displaced species may be threatened.
Large hydro power would be a dam in a river, storing water and generating electricity for agricultural, industrial and domestic use. Small hydro power systems could be as small as a turbine in a stream providing electricity to a single farm.