What Is the Benefit of Using Carbon in Radioisotope Dating,versus

question 19

Multiple Choice

What is the benefit of using carbon in radioisotope dating,versus using other elements?

• A)The relatively longer half-life of carbon allows more accurate dating when samples are within the last ~55,000 years.
• B)The longer half-life of carbon compared with other elements allows more precision in dating,especially for contaminated samples.
• C)Carbon is relatively rare on Earth,so the presence of carbon can lead researchers to surprising findings compared with other elements.
• D)Carbon is central to nearly all molecules in living organisms,and its ubiquitous presence in the atmosphere,plus shorter half-life,provides accurate dating of especially recent samples.

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