Question
Question: Which of the following is the relatively most accurate method for dating of fossils? A. Potassium-...
Which of the following is the relatively most accurate method for dating of fossils?
A. Potassium-argon method
B. Uranium-lead method
C. Electron-spin resonance method
D. Radio-carbon method
Solution
Fossil is stored in different types of methods because it is the significance of an extinct or to be extinct species. Dating fossils is more important. We have to justify all the methods of dating fossils. In the process of dating fossils mainly the nanoparticles like electron, uranium, lead etc. are also used.
Complete answer:
Electron spin resonance has additionally supported the fact that background signal causes electrons to dislodge from their traditional positions in atoms and become at bay within the crystalline lattice of the fabric. Once odd numbers of electrons square measure separated, there's a measurable amendment within the magnetic flux (or spin) of the atoms. Since the magnetic flux increasingly changes with time in an exceedingly sure method as a result of this method, it provides another timepiece or calendar, that may be used for chemical analysis functions. Unlike, thermoluminescence chemical analysis, however, the sample isn't destroyed with the ESR technique. This enables samples to be dated over once. ESR is employed principally to this point carbonate in stone, coral, fossil teeth, molluscs, and eggshells. It can also date quartz and flint. Paleoanthropologists have used ESR principally to this point samples. However, it probably can be used for a lot of older samples. So, it is the foremost correct technique of fossil chemical analysis. So, the proper answer is 'Electron-spin resonance method ‘from the last three hundred,000 years.
Hence, option C is the correct answer.
Note: The electron is the only nanoparticle which can spined through the light waves. So it supports the dating of fossils more accurately. Other particles like uranium, lead, potassium, Argon are used but in the least amount because they have no proper tendency of dating fossils accurately.so electronic spin method is acceptable.