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14 August, 09:01

Which object would a geologist date using carbon-14 dating?

A. a dinosaur fossil

B. a woolly mammoth fossil

C. an ancient volcanic rock

D. an igneous rock

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Answers (1)
  1. 14 August, 09:15
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    B.) A woolly mammoth fossil

    Explanation:

    Carbon-14 dating is normally used to find the age of a once-living object.

    C and D are not accurate because they both refer to types of igneous rocks - - only sedimentary rocks can be used for Carbon Dating.

    A isn't accurate because dinosaurs lived a very, very long time ago, therefore, the isotopes wouldn't be detectable during modern times.

    Though woolly mammoths lived a long time ago, it is a short time compared to the long time gap between dinosaurs and modern era. Radioactive isotopes may still be present in a woolly mammoth fossil sample.
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