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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 ?

User Millebii
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Answer:The answer would be uranium-238 hope this helps

Step-by-step explanation:

User Keshav Vishwkarma
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A scientist who wants to date materials older than 40,000 years would most likely use Potassium – argon dating or K-AR dating. Potassium-40 is a radioactive isotope of potassium that decays into argon-40. The half life of potassium-40 is 1.3 billion years far longer than carbon-14.

User Peon The Great
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