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Which measurement do geologists use to find the absolute age of once-living things?

amount of decayed daughter elements
total number of half-lives for the element potassium
age of ancient rocks located near the remains
amount of carbon-14 and nitrogen-14 in the remains

User Jeremy G
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2 Answers

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Answer: amount of carbon-14 and nitrogen 14 in the remains

Step-by-step explanation:

User Mgol
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Answer:amount of carbon-14 and nitrogen-14 in the remains

Explanation:This is called radiocarbon dating. It is used for once-living things between 100 and 50,000 years old.

User Kenneth Clark
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