You are presented with the quiz "The age of a fossil can sometimes be determined by what method?" 

But you don't know the answer, so you turn to your teacher to ask for hints. He says that "radioactive dating is used to determine the age of fossils" and "carbon 14 Dating Perhaps the best known radioactive dating is based on ". 

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


 

      carbon 14 dating     