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Geography, 31.03.2021 01:00 kmontanab00
John is assisting a geologist who has traveled across the world and collected a few samples. He asks John to classify the samples that can be dated using Carbon-14 and Uranium-235 (or U-235). All organic materials contain carbon and are dated using C-14; inorganic materials are dated using any radioactive element, such as uranium, rubidium, potassium, and thorium, except carbon. Now help John group the samples. Granite, wood piece, Egyptian mummies, Sand stone, gneisses
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John is assisting a geologist who has traveled across the world and collected a few samples. He asks...
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