Question

what are the reason responsible for the formation deep ocean current​

Answer 1

Answer:

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Deep ocean currents (also known as Thermohaline Circulation) are caused by: The density of sea water varies globally due to differences in temperature and salinity. Surface water is heated by the sun, and warm water is less dense than cold water. Similarly, fresh water is less dense than salty water.

Answer 2

Answer:

Ocean currents arise in several ways. For example, wind pushes the water along the surface to form wind-driven currents. ... In these areas, the balance between gravity and Earth's spin causes geostrophic currents to flow. Deep ocean currents are caused by differences in water temperature and salinity (density).