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Carbon-14 is the typical radioisotope used to date materials; however, it has a limitation to 40,000 years. A scientist who wants to date materials older than 40,000 years would most likely use .

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Answer: The correct answer is Uranium-238

Step-by-step explanation:

This is what is used for dating the oldest materials known to man.

User Arletty
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Uranium-238


just took the test.

User Martey
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