Which of the Following Statements Concerning the Temperature Structure of the Oceans

Multiple Choice

Which of the following statements concerning the temperature structure of the oceans is correct?

A) In Arctic and Antarctic regions the thermocline is situated deeper than in other regions
B) At the thermocline,temperatures decline gradually toward the sea floor
C) Above the thermocline is a layer of cooler water
D) Mid-latitudes develop a warm surface layer that deepens with wave action
E) The warm surface layer persists all year at low latitudes