Question

What is happening in step 4 of the image below?A. Formation of a surface ocean waveB. Sinking of cooling ocean waterC. Upwelling of warming ocean waterD. Formation of an ocean gyre

Answer 1

The answer to this question is letter C. Upwelling of warming ocean water. In the figure below, step 4 in the thermohaline circulation shows that it is in the Pacific ocean. It is where the deep water surfaces in the process called upwelling.