You are presented with the quiz "What does extreme heat and pressure in a swamp over long periods of time create?" 

But you don't know the answer, so you turn to your teacher to ask for hints. He says that "being burried under soil and mud changes vegetation into peat through extreme heat and pressure in a swamp over a long period of time" and "bogs are composed of peat". 

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


 

        bogs   