About 10% of the water in the world ocean makes up all of the surface currents. Most surface currents move water above the _______________, the zone of maximum density change per unit depth.

About 10% of the water in the world ocean makes up all of the surface currents. Most surface currents move water above the _______________, the zone of maximum density change per unit depth.




a) pycnocline
b) halocline
c) thermocline
d) freezing point




Answer: A