Chroyoginical is science locating historical event in time In this technology was used to arrange the historical event in their order of occurance in time It was sequence of moment for time to time as per order Joseph Scaliger was invent the modern science of chronology Chronometry is the time keeping & historiography which examines writting of history and the use of historical method Radiocarbon dating estimates the age of living things Measuring the portion carbon 14 isotope in the carbon content.
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