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# Carbon-14 has a half-life of 5730 years. If the age of an object older than 50,000 years cannot be determined by radiocarbon dating, then A. carbon-14 levels in a sample are undetectable after undete

Carbon-14 has a half-life of 5730 years. If the age of an object older than 50,000 years cannot be determined by radiocarbon dating, then

A. carbon-14 levels in a sample are undetectable after undetectable after approximately fourteen half-lives

B. carbon-14 levels in a sample are undetectable after approximately nine half-lives

C. the half-life of carbon-14 is too to accurately date the object

D. a radioisotope with a shorter half-life should be used to date the object