Question

Earth Science 10/ Chemistry 11

Which two substances do geologists use in radiocarbon dating?

a. carbon-12 and carbon-10
b. carbon-14 and uranium-238
c. lead-206 and carbon-14
d.carbon-14 and cardon-12


(I think that it's either b or d or someone please help me out!)

Answer 1

Measuring the ratio of C-14 to C-12 in the remains of dead organisms to determine how much time has passed since the organism died

the answer is D