They are designed to hold back alot of water.
There are not so many dams because it will cost lots ,floods,we think that dams will help us in generations to come but that doesn't happen mostly and it will also destroy the habitats
The engineers.
i dunnobecause they are
hydroelectric dams
they built dams to keep the flooding out of their cities
It takes approximately three years of hard work.
Most large dams are built in the North, but small ones are mainly in the middle of pakistan.
Dams were originally build so that farmers could have water to irrigate their crops, or to provide a source of water for a village or town. Beavers built dams so they would have a safe environment to live.When electrical generators were developed dams were build to provide hydro-electricity as well, so most dams now have turbines to take advantage of the power of the water.Shelter and their familes.To stop water from flowing into cities and any populated areas.AND CAUSE THEY WANT TObeacause beavers need there space and of coure its there house
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
Yes there are many dams and more dams are being built. i dont know how many and i would like to know.
dames and barrages are built to store and redistribute water