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Building them has considerable environmental impact - it creates a man-made lake that floods great areas. Migrating fish are stopped in their tracks.

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9y ago

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What places are using hydroelectric?

Places near large dams.


What were disadvantages of using waterpower?

One of the disadvantages of using water or hydroelectric power is that is gives off a good deal of carbon dioxide as well as methane. Other disadvantages of hydro power are the cost to install the dams and turbines, and the fact that they destroy the habitat around the installations.


Which of the following is a disadvantage to using hydroelectric dams?

They can harm fragile ecosystems


How many hydroelectric dams in SA?

2 hydroelectric dams in south Africa


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believe it or not hydroelectric dams do affect the environment.


Is hydroelectric dams used to provide power for homes in Singapore Why?

Singapore does not use hydroelectric dams to generate electricity.


Is hydroelectricity a substitute to fossil fuels?

Yes. If we can use more electricity from dams (hydroelectic power), we conserve fossil fuels. I also note that while hydroelectric is generally better than using fossil fuels, there are a number of disadvantages to hydroelectric power, including loss of land and negative impact on the environment when large dams are constructed. See related links.


What are dams built to generate energy from water call?

hydroelectric dams


Are hydroelectric power plants dams?

yes


Why do you need to build dams?

Dams are built for a number of reasons, two being:To control the flow of water so as to eliminate floodingTo make electricity using hydroelectric power


What uses movement of water or wind to spin a turbine?

Hydroelectric power


How is water a major source of electricity?

Hydroelectric dams.