Chemistry, 16.07.2019 09:30, Hockeypro1127
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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Chemistry, 22.06.2019 15:20, mydoggy152
Fossil fuels are organic compounds that are made from
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Chemistry, 23.06.2019 01:00, davelopez979
An unsaturated hydrocarbon is a hydrogen-carbon compound with a. a network solid structure b. single bonds c. single bonds in a branched-chain structure d. double or triple bonds
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Charcoal (burned wood) that was used to make prehistoric drawings on cave walls in france was scrape...
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