Will give a medal! Which is the definition of the thermocline?

A.
The thermocline is the boundary between colder ocean water near the surface and warmer ocean water at greater depth.

B.
The thermocline is the boundary between warmer ocean water near the surface and colder ocean water at greater depth.

C.
The thermocline is the boundary between warmer ocean water near the equator and colder ocean water near the poles.

D.
The thermocline is where warm ocean currents sink to become cold ones.

Question

Will give a medal! Which is the definition of the thermocline?
 
 A.
The thermocline is the boundary between colder ocean water near the surface and warmer ocean water at greater depth.
 
 B.
The thermocline is the boundary between warmer ocean water near the surface and colder ocean water at greater depth.
 
 C.
The thermocline is the boundary between warmer ocean water near the equator and colder ocean water near the poles.
 
 D.
The thermocline is where warm ocean currents sink to become cold ones.

anonymous · Answer

B.
The thermocline is the boundary between warmer ocean water near the surface and colder ocean water at greater depth.