Radioactive carbon-14 is used to determine the age of artifacts because it concentrates in organisms
only when they are alive. It has a,half-life of 5730 years. In 1947, earthenware jars containing what are
known as the Dead Sea Scrolls were found. Analysis indicated that the scroll wrappings contained 80%
of their original carbon-14. Estimate the age of the Dead Sea Scrolls.
A. 2,456 years
B. 4,156 years
C. 2,269 years
D. 1,845 years