It is a dam or river dam. A type of low semi-barrier is a weir.
The potential across a pn junction is called potential barrier because majority charge carriers have to overcome this potential before crossing the junction.
The Romans built Hadrian's Wall across the North of England. The wall is also known as the Roman Wall, Pict's Wall, or Vallum Hadriani in Latin.
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
A dam is a barrier built across a waterway to stop or control the flow of water. Man-made reservoirs are formed behind the dams. A dyke is a long wall of earth built along a waterway or along a sea coast to prevent the river water overflowing their channels. *A levee is the same thing as a dyke the difference being that the former word comes from French and the latter from Dutch.
The Thames...
It was completed in 1983
water acted as a natural barrier before Romes enemies built ships.
Yes it has got built in Freeview you just have to scan it for channels I believe they're are 111 channels that it receives.
watermelon
Antonius Pius built the Antonine Wall across the "waistline" of Scotland.Antonius Pius built the Antonine Wall across the "waistline" of Scotland.Antonius Pius built the Antonine Wall across the "waistline" of Scotland.Antonius Pius built the Antonine Wall across the "waistline" of Scotland.Antonius Pius built the Antonine Wall across the "waistline" of Scotland.Antonius Pius built the Antonine Wall across the "waistline" of Scotland.Antonius Pius built the Antonine Wall across the "waistline" of Scotland.Antonius Pius built the Antonine Wall across the "waistline" of Scotland.Antonius Pius built the Antonine Wall across the "waistline" of Scotland.
A lava barrier is where something is built on high rock so that when a volcano erupts and the lava flows down, it flows down the barrier around it.
Dam