The more extreme the amount of metamorphism, the more difficult it is to tell what the original rock was.  Having read the above passage, choose the right answer to the following question (choices are easier to determine what the original rock was or harder to determine what the original rock was? ):   If pressure has exerted less force on a rock and decreased it's metamorphism, would it be easier to determine what the original rock was or harder to determine what the original rock was??
Answer:
easier to determine what the original rock was