The half-life of carbon-14 is about 5,730 years. That information is used to calculate the age of the organic remains. The graph shows the percent of carbon-14 remaining over the number of half-lives elapsed. If the percentage of carbon-14 is 5%, the organic remains have to be at least how old?
Responses
22,920 years
26,460 years
28,650 years
25,000 years