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Approximately 400 women attended the audition, during which they were placed in groups of ten and danced a routine to "Stay" by Eternal, followed by solo auditions in which they were asked to perform songs of their own choosing.

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This process requires much more sophisticated chemical analysis and, although other processes have been developed, often utilizes the decay rates of radioactive isotopes to determine the age of a given material.Using this process geologists are able to assign actual ages with known degrees of error to specific geologic events.A chance encounter between determined fishermen and a great white shark off the Tuscan coast in 1666 sparked a chain of events that would help change humans views of fossils and Earth’s geologic past (Cutler 2003, pp. Nicolas Steno (1638-1686) dissected the head of this shark and realized fossil tongue stones believed to be petrified snake or dragon tongues were actually fossil shark teeth (Prothero 1998, p. One problem still existed, how do fossils become embedded in solid rock?Steno recognized that fossils represent organisms that became buried in sediment, which later turned into rock.Examples include fractures, faults, and igneous intrusions.

Unlike relative time, absolute time assigns specific ages to events or formations and is typically recorded in years before present.To deal with many of these problems geologists utilize two types of geologic time: relative time and absolute time.Relative time places events or formations in order based on their position within the rock record relative to one another using six principles of relative dating.The method of reading the order is called stratigraphy (layers of rock are called strata).Relative dating does not provide actual numerical dates for the rocks.This feature is produced by changes in deposition over time.