Radiocarbon dating cannot reliably date anything older than about:
A) 25,000 years.
B) 45,000 years.
C) 125,000 years.
D) 245,000 years.

Question

Quizplus · Accepted Answer

Radiocarbon dating is limited because the half-life of carbon-14 is about 5,730 years, making it reliable only up to about 50,000 years. Beyond this, the remaining carbon-14 is too minimal to measure accurately, making 45,000 years a practical limit for reliable dating.

Radiocarbon Dating Cannot Reliably Date Anything Older Than About