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02-01-2021
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list down strengths and weakness of potassium argon dating as a method of dating archaeological materials

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02-01-2021

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Potassium-argon dating, method of determining the time of origin of rocks by measuring the ratio of radioactive argon to radioactive potassium in the rock. This dating method is based upon the decay of radioactive potassium-40 to radioactive argon-40 in minerals and rocks; potassium-40 also decays to calcium-40.

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