The ¹⁴C:¹²C ratio can be used to date fossils that are up to approximately how old?
A)100 million years
B)7 million years
C)75,000 years
D)7,500 years

Question

Quizplus · Accepted Answer

The ¹⁴C:¹²C ratio can be used to date fossils up to approximately 75,000 years old, beyond which the amount of ¹⁴C left in the sample is too small to be reliably measured. Therefore, options A, B, and D are incorrect.

The ¹⁴C:¹²C Ratio Can Be Used to Date Fossils That