4.
Explain how salinity changes the movement of ocean currents.

Deep ocean currents

Differences in water density, resulting from the variability of water temperature (thermo) and salinity (haline), also cause ocean currents. ... Dense-cold-salty water sinks to the ocean bottom. Surface water flows in to replace the sinking water, which in turn becomes cold and salty enough to sink.

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The tissues that works together to form muscles are : Muscular and Connective tissues
Connective tissues created the muscles' density and cellular while the muscular tissues Give it the ability to contract

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