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Surface current
Materials and energy
Current
an ocean current.
Conveyor Belt Cycling describes the movement of the ocean water between surface and deep water.
Ocean currents
It is called an ocean current
The energy produced by the movement of ocean water is Tidal Energy
In hydrology, throughflow is the horizontal movement of water in the soil zone.
They form by erosion, either from under water volcanos or the currents that constantly move the water. The point is they both cause trenches, also oceanic plate movement.
The movement of water when ocean and fresh water meet is called Density currents.
a tide