Question

A wooden object from a prehistoric site has a carbon-14 activity of 10 counts per minute (cpm) compared to 40 cpm for new wood. If carbon-14 has a half-life of 5730 years, what is the age of the wood?
A) 1430 yr
B) 5730 yr
C) 11,500 yr
D) 17,200 yr
E) 22,900 yr

Answer

This answer is hidden. It contains 1 characters.