Radiometric dating techniques available to anthropologists
A. can only be used to date inorganic materials that are more than 1 million years old.
B. have caused a reevaluation of the fossil record since their 1991 development.
C. establish a probable date for fossils by calculating radioactive decay in the specimen found or the rocks surrounding it.
D. work only for nonhuman primates, because genus Homo had culture.
E. do not work well for hominin fossils, because such fossils are too young for the effective range of the techniques.
Answer: C
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