What is the geologic time scale?
The geologic time scale is a system of chronological measurement that classifies and orders the divisions of the Earth's history. It encompasses the immense timescales of the planet's geological development, dividing it into a series of eons, eras, periods, epochs, and ages. The geologic time scale is a universally accepted way of categorizing the Earth's history, and it is used as a framework for understanding Earth's formation, evolution, and past events, like the evolution of life and the formation of continents and oceans. In short, it provides a comprehensive way to organize Earth's history into manageable units of time.
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