Potassium-40 (⁴⁰K)
A) decays to the gas, argon-40 (40Ar)
B) decays to carbon-14
C) has a full-life of 1.25 billion years
D) is the same as carbon-14
E) is destructive and therefore not used by paleoanthropologists
Correct Answer:
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Q13: Dating methods indicating that something is older
Q25: Relative dating techniques
A) can provide exact dates
Q26: Which of the following is not a
Q27: Australopithecus afarensis specimens from Laetoli and Hadar
Q28: Radiometric dating techniques
A) are not based on
Q31: What is the dating method that uses
Q32: The oldest possible hominin found to date
Q33: Where was Sahelanthropus discovered?
A) South Africa
B) East
Q34: If an isotope has a half-life of
Q35: Thermoluminescence dates
A) Water-logged artifacts
B) bone
C) wood
D) burned
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