Asked by luv history

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.
Answered by hate math
the answer is b
Answered by michael
yes, the answer is B. Relative dating is used on objects without radioactive isotopes
Answered by bianca
i think itg is c. :)
Answered by bianca
i actulay think it is b. :)
Answered by Ala
Defenitly B!
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