Chemistry, 24.07.2019 21:00 kaliyab191
Charcoal (burned wood) that was used to make prehistoric drawings on cave walls in france was scraped off and analyzed. the results were 4 mg carbon-14 (parent isotope) and 60 mg nitrogen (daughter isotope). the half-life of carbon-14 is 5,730 years. how old are the cave drawings? a. 11,460 years b. 17,190 years c. 22,920 years d. the sample is too old to be analyzed by carbon dating.
Answers: 1
Chemistry, 22.06.2019 05:00, Angelanova69134
Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.
Answers: 2
Charcoal (burned wood) that was used to make prehistoric drawings on cave walls in france was scrape...
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