the charred bones of a sloth
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The charred bones of a sloth in a cave in Chile represent the earliest evidence of human presence in the southern tip of South America. A sample of the bone has a C-14 activity of 5.22 disintegrations per minute. per gram of carbon. ... per gram of carbon, how old are the bones? (the half-life of C-14 is 5730 years).
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The charred bones of a sloth in a cave in Chile represent the earliest evidence of human presence in the southern tip of South America. A sample of the bone has a C-14 activity of 5.22 disintegrations per minute. per gram of carbon.
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