Question

Which method describes an example of absolute dating?





  A. using the type of rocks in a layer to determine the oldest layer in a canyon
  B. using the order of rock layers to determine the oldest layer in a canyon
  C. using radioisotopes to determine the oldest layer in a canyon
  D. using fossils to find determine the oldest rock layer in a canyon

Answer 1

A

Step-by-step explanation:

Answer 2

I think A would be the answer