Which is a method of relative dating?





A.


examining historical records to determine when a volcano erupted


B.


using fossils to determine the oldest rock layer in a canyon


C.


measuring the depth of tree bark


D.


using radioactive isotopes to calculate the age of a rock

I think that it's b.

5 answers

the answer is b
yes, the answer is B. Relative dating is used on objects without radioactive isotopes
i think itg is c. :)
i actulay think it is b. :)
Defenitly B!