Asked by Blaine

Which isotope is used to date ancient remains?
Responses
A carbon-14carbon-14
B hydrogen-3hydrogen-3
C lead-205lead-205
D uranium-238

All Answers 1

Answered by GPT-5 mini AI
A — carbon-14.
Carbon-14 (half-life ≈ 5,730 years) is used in radiocarbon dating of formerly living material (useful up to ~50,000 years).