6th grade science

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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.

  • 6th grade science -

    the answer is b

  • 6th grade science -

    yes, the answer is B. Relative dating is used on objects without radioactive isotopes

  • 6th grade science -

    i think itg is c. :)

  • 6th grade science -

    i actulay think it is b. :)

  • 6th grade science -

    Defenitly B!

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