Thermoluminescence [Choose] [Choose] Ages greater than 1,000 years ago. Ages between 1,000 years ago and 600 kya. Ages greater than 100 kya Ages between 300 BP and 300 kya. Ages between 0-50 kya. [Choose] Uranium-Thorium K-Ar (Potassium-Argon) Fission Track [Choose] Radiocarbon (14C) (Choose]
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- Which parent isotope is most useful for dating samples that are greater than 100 million years old? a potassium-40 b lead-206 c argon-40 d uranium-23869. Theoretically, radiocarbon dating (Carbon-14) can date materials that are at most 1.31 billion years. 100,000 years. 40,000 years. 5730 years. None of the aboveThe most useful method for dating ancient calcium rich cave deposits would be Group of answer choices A: Argon-Argon Dating B: Paleomagnetic Reversals C: Electron Spin Resonance Dating D: Uranium-Thorium Dating E: Potassium-Argon Dating
- Which of these factors influences the radioactive decay measured by radiometric dating? Temperature Half-life Pressure Chemical bonding stateWhich item is best dated using the potassium-argon (K-Ar) method? Group of answer choices A: Cave layers in South Africa B: stone tools C: Ancient dinosaur bones D: organic materials E: Lava flows found in the Olduvai GorgeVolcanic ash can be used to date fossil finds because each time it is expelled by an eruption it has the same relative proportions of radioactive isotopes. True or False
- How much more iridium was found in the K–Pg boundary layer than in rock 0.5 m below it? 41.35 ppb 41.60 ppb 41.24 ppb 39.62 ppbA fossil is found to contain the radioactive parent and daughter isotopes uranium 235U, and lead 207Pb, in the ratio 12.5% to 87.5%. Assuming that no 207Pb was present when the fossil first formed, estimate the age of this sample.Please show some thought process and a therefore statement. Thank you very much, have a great day!100: We know that the Pleistocene Epoch consists of periodic warming and cooling partially because of cores collected in the glaciers of Greenland. Group of answer choices True False
- Compare and contrast Relative dating, Absolute dating, and Radiometric dating.Radiometric dating uses the decay of to to determine how old fossils of biological material are using the rate of decay. Group of answer choices 14C, 12C 14N, 12C 12C, 14N 14C, 14NWhich step is the last in the formation of fossil fuels? Question 64 options: subjecting organic matter to extreme pressure subjecting organic matter to extreme heat and pressure incomplete decomposition of organic matter flooding swamps with seawater