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Wind!
Density
Deep ocean currents are in the depths of the oceans. Surface current are at the surface, not deep down. Deep ocean currents bring vitamins and nutrients to the shore, surface currents do not. Deep ocean currents are caused by salinity and temperature differences. Surface currents are cause by the force and impact of the wind.
Deep ocean currents are in the depths of the oceans. Surface current are at the surface, not deep down. Deep ocean currents bring vitamins and nutrients to the shore, surface currents do not. Deep ocean currents are caused by salinity and temperature differences. Surface currents are cause by the force and impact of the wind.
convection
The sun is major source of energy that power surface currents because the sun causes wind to blow and winds cause surface currents to form
The circulation of cold and warm water between the poles and the equator, and the rotation of the earth, cause ocean currents to flow.
because the surface currents move in huge circles ,they move clockwise in the northern hemisphere
Surface
Wind
The energy from the core of the earth causes currents in the molten layers, the way there are currents in the ocean. These currents are what causes the Tectonic Plates to move along the surface of the earth.
Wind over large expanses of water.