You are presented with the quiz "Sunlight can be conducted to the surface of the ocean to make it what?" 

But you don't know the answer, so you turn to your teacher to ask for hints. He says that "if heat is conducted to an object then that object will become hot" and "because the surface of the ocean is heated by sunlight, the depths are cooler". 

So, what's the best answer to the question?


 

       hotter    