The Thermocline Is Important Because _______

The thermocline is important because _______ .

A) the ability for the ocean to dissolve CO₂ from the atmosphere is dependent on temperature over a range of depths.
B) different chemical compositions form at different temperatures
C) it controls the climate and rate of evaporation and precipitation near the oceans
D) it forms a barrier to many types of marine life that can only exist within certain temperature ranges
E) none of the above