The world wide system of water that transfers warm water from the equator toward the cooler high latitudes is called ?

thermohaline circulation

Explanation:

The system that transfer hot water from equator to cooler high latitudes are known as thermohaline circulation. thermohaline circulation causes ocean circulation because of global density gradients which is produced by surface heating. the cause of global density gradients is more heat on the surface.  

reflecting point a across the origin negates both of its coordinates.

b = (5, -4)

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