a dam
A dam is built across a river to control the flow of water.
It is a matter of density cold water is denser(compact) that hot water. thus cold water will flow faster than less dense(loose)hot water.
Where the ground water leakage direction meet into the surface water is called Base flow.
Heat will flow from the boiling water into the ice cube.
Water always flow from a higher elevation to a lower elevation.
Dam
1 a barrier to obstruct the flow of water, esp. one of earth, masonry, etc., built across a stream or river. 2. a body of water confined by a dam. 3. any barrier resembling a dam
It is a dam or river dam. A type of low semi-barrier is a weir.
A dam is built across a river to control the flow of water.
DikeNoun1. Offensive terms for a lesbian who is noticeably masculine.2. A barrier constructed to contain the flow or water or to keep out the sea.Verb1. Enclose with a dike; "dike the land to protect it from water".
watermelon
Dams, dykes, and levees are built to control the flow of water.
Weir
the endodermis
A dam is built across a river to restrict the flow of water.
Continental Divide
No, they were stone built and the water was designed to flow slowly as the gradient was slight, there would be minimal erosion due to flow.