shawnball2726 shawnball2726

19-01-2024
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Ancient paintings were found on cave walls in south america. the carbon-14 in the paintings was measured and was found to be 19% of the original weight. how old were the paintings? carbon 14 decays at a rate of -0.00012 grams per year.
a. 9,239
b. 19,239
c. 13,839
d. 3,839

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