a dam regulates the water that is holding back of a creek . And this causes water to build up into a pond or lake .
They help control rivers, either to prevent flooding or to deliberately flood areas to create lakes.
dams help control floodwater
The effect of building river dams on the coastal regions is that they will be able to help control the effects of caused by flooding.
They controlled their floods by creating canals and lakes to help hold the water when a flood occured.
Pros are that dams usually have power generators inside that make electricity from the fast moving waters. Dams also create recreational water areas and help control the water flow to other areas downstream of the dam.
They are helpful because they help you cut trees and build dams to control water depth
floods
not many of them
Legal dams
Dams
They built dams.
helps control the flow of water
If there is no rain, then a dam does not help.