How does density affect water circulation?

A. Denser (more saline) water moves down and less dense (less saline) water moves up until it neutralizes.

B. Denser (more saline) water moves up and less dense (less saline) water moves down until it neutralizes.

C. Denser (more saline) water moves toward the sea and less dense (less saline) water moves away from the sea until it
neutralizes.

D. Denser (more saline) water moves away from the sea and less dense (less saline) water moves toward the sea until it
neutralizes.