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Which example describes a method of relative dating?




A.


using fossils to determine the oldest rock layer in a canyon


B.


using radioactive isotopes to calculate the age of a rock


C.


measuring the depth of tree bark


D.


examining historical records to determine when a volcano erupted

  • science -

    I'll be glad to check your answer.

  • science -

    B.. Using fossils.....

  • science -

    D?

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