Question

Surface currents are caused by ______ .

A. Differences in water temperature

B. High salinity

C. Differences in density

D. Wind forces

Answer 1

hello

The answer is D

Have a nice day xD

Answer 2

Answer: D. Wind Forces

Explanation: Think about it. We're talking about movement of the surface of a body of water. Temperature, Salinity, and density doesn't cause water to move, or rather, the surface of water to move. Wind is the only logical answer.