Carbon-14 testing,which measures an isotope of carbon that is present at a fixed percentage in a living organism,is used to identify

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Carbon-14 testing can be used to determine the approximate age of archaeological evidence, as it is a reliable method for determining the age of organic material up to about 50,000 years old. It would not be useful for identifying different types of rock or the duration of ice ages, and while it may be used to determine the age of early human paintings if they contain organic material, it is not their primary use. Carbon-14 testing can also be used to determine the amount of carbon in ancient plant samples, but this is not as commonly associated with the use of this method as determining the age of archaeological evidence.

Carbon-14 Testing,which Measures an Isotope of Carbon That Is Present