Question

The ocean currents flow near the lower limit of ____.​

Answer 1

Deep currents, also known as thermohaline circulation, result from differences in water density. These currents occur when cold, dense water at the poles sinks. Surface water flows to replace sinking water, causing a conveyor belt-like effect of water circulating around the globe on a 1000-year journey.

Answer 2

The ocean currents flow near the lower limit of thick fog