kydul2069 kydul2069

22-06-2018
Chemistry

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Charcoal (burned wood) that was used to make prehistoric drawings on cave walls in france was scraped off and analyzed. the results were 8 mg-carbon-14 (parent isotope) and 56 mg hitrogen (daughter isotope). the half-life of carbon-14 is 5,730 years. how old are the cave drawings?

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Zebra50434 Zebra50434

22-06-2018

Around 36 million years ago

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