Vertical movement of deep ocean water is caused by forces of wind phytoplanktons dissolved nutrients variations in density plz answer and you

variations in density

The vertical movement of deep water is influenced by the the variation of density of water on the vertical layers of the ocean. The variations that occur in the oceanic water occurs due to variation in the salinity and temperature of water. The saltier water is more denser and tends to sink, the cold water exhibit more density and tends to sink, the warm water floats over the superficial layers due to low density.

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