The Prussian Army was successful in 19th century wars against Denmark, Austria and France, allowing Prussia to unify Germany and create the German Empire in 1871. The Prussian Army formed the core of the Imperial German Army, which was replaced after World War I with the Reichswehr.
Quick Answer. Absolute dating is a method of determining the specific date of a paleontological or archaeological artifact or location based on a specific time scale or calendar. Scientists base absolute dating on measurable physical or chemical changes or on written records of events.
Geologic age datingâassigning an age to materialsâis an entire discipline of its own. In a way this field, called geochronology, is some of the purest detective work earth scientists do. There are two basic approaches: relative age dating, and absolute age dating. Here is an easy-to understand analogy for your students: relative age dating is like saying that your grandfather is older than you. Absolute age dating is like saying you are 15 years old and your grandfather is 77 years old. To determine the relative age of different rocks, geologists start with the assumption that unless something has happened, in a sequence of sedimentary rock layers, the newer rock layers will be on top of older ones.