Answer:
Carbon is versatile because it can form single, double, and triple bonds. It can also form chains, branched chains, and rings when connected to other carbon atoms.
Explanation:
As the sun heats the surface of the oceans, two layers of water result. These layers are separated by the Thermocline.
so your answer is thermocline.
I am pretty sure it is D cytoplasm, because that is the only structure that is in both plant and animal cells.