You are presented with the quiz "What was more dense than fluid?" 

But you don't know the answer, so you turn to your teacher to ask for hints. He says that "if an object in a fluid is more dense than that fluid then that object will sink in that fluid because of gravity" and "theme deals with the sinking of the Titanic". 

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


 

    the Titanic       