The time it takes for ocean water to sink from the surface and eventually reappear at the surface because of the thermohaline circulation is probably
A) many centuries.
B) a few decades.
C) a few years.
D) a few months.
E) a few days.

Question

Quizplus · Accepted Answer

The thermohaline circulation involves the sinking of cold, dense water at high latitudes and the transport of that water to lower latitudes over a long period of time. This process can take many centuries for the water to complete a full cycle and return to the surface.

The Time It Takes for Ocean Water to Sink from the Surface