Answered

An archaeologist found an ancient skeleton estimated to be 10,000 to 25,000 years old. Which radioactive isotope would be most useful for finding the age of the skeleton?

A. carbon-14
B. potassium-40
C. uranium-238
D. rubidium-87



Answer :

GinnyAnswer

Final answer:

Uranium-238 is the best radioactive isotope for determining the age of the ancient skeleton due to its long half-life of 4.5 billion years.


Explanation:

Uranium-238 would be most useful for finding the age of the 10,000 to 25,000-year-old skeleton. Uranium-238 has a half-life of 4.5 billion years, making it suitable for dating ancient objects older than 50,000 years when carbon-14 dating is not effective.


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