across the nile river
A dam is a structure built across a river to control the flow of water. It helps regulate water levels, generate hydroelectric power, and provide water for irrigation and drinking. Dams can also prevent floods and create reservoirs for recreational activities.
yes
across the nile
Build dams, dig out river banks, build levy banks, pump from river to catchments
A dam.
A Weir
Weir
Delaware river
Yukon river
A sluice
i dont know you sould