You are presented with the quiz "oil is formed by burial of decomposing algae being pushed down which increases what" 

But you don't know the answer, so you turn to your teacher to ask for hints. He says that "oil is formed by layers of sediment pushing down on decomposing algae" and "burial of sediments also causes the sediments to increase in temperature". 

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


 

        temperatures   