Respuesta :

the main cause of these currents is the differences in density of ocean water.

Rise and fall of the tides, wind and thermohaline circulation are the main cause of currents.

The main cause of these currents are the rise and fall of the tides, wind and thermohaline circulation. Tides create a current in the oceans which are very strong near the shore, and weaker as we go away from the shore.  Winds move currents that are at or near the ocean's surface.

Thermohaline circulation is also known as the ocean conveyor belt. It is a part of the large-scale ocean circulation which is moved by global density gradients created by surface heat and freshwater fluxes so we can conclude that rise and fall of the tides, wind and thermohaline circulation are the main cause of currents.

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