PLEASE ANSWER IN TEST RIGHT NOW!!!
What is a thermocline?

A. it is a vertical separation found in large bodies of water between areas of greater and lower pressures.

B. it is a vertical separation found in large bodies of water between areas of greater density and lower density.

C. it is a vertical separation found in large bodies of water between areas of greater and lower temperatures.

D. it is a vertical separation found in large bodies of water between areas of greater and lower salinity.