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After precambrian time what are the two basic divisions of the geologic time scale?
The two basic divisions following the Precambrian on the geologic time scale are the Paleozoic Era and the Mesozoic Era. These eras are further divided into periods, such as the Cambrian, Devonian, and Permian in the Paleozoic Era, and the Triassic, Jurassic, and Cretaceous in the Mesozoic Era.
What is the Order the units or geologic time from the longest to the shortest?
The order of units of geologic time from longest to shortest is: eon, era, period, epoch.
What is geologic eras?
Cenozoic Era
What division in the geologic time scale is the shortest?
The shortest division in the geologic time scale is an Epoch. Epochs are subdivisions of a period and are typically tens of millions of years long.
What is The largest expanse of time on the geologic time scale is the?
The largest expanse of time on the geologic time scale is the eon, which is further divided into eras. Eons are the longest subdivisions of time, representing billions of years of Earth's history.
