![]() These isotopes behave almost identically in biological, chemical, and physical processes.Ĭarbon-12, a stable isotope, makes up about 99% of all carbon found in nature. The technique is based on the fact that both stable and radioactive isotopes of carbon exist. ![]() ![]() ![]() Radiocarbon dating is a technique for determining the age of very old objects consisting of organic (carbon-based) materials, such as wood, paper, cloth, and bone.
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