Question

HELP! If a sample is thought to be several million years old, which method would best help to determine its absolute age?

A. C-14/C-12


B. Ar-40/K-40


C. Pb-206/U-238

Answer 1

Answer:The abundances of parent and daughter isotopes in a sample can be measured and used to determine their age. This method is known as radiometric dating.

Step-by-step explanation:

Answer 2

b

Step-by-step explanation: