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what is the basis on which subdivisions are made
Precambrian is the largest division of the geologic time scale.
Phanerozoic is the eon which geologic time scale means visable life.
Eon.
Cenozoic is not a major period of the geologic time scale. The scale is broken down into eras. Cenozoic, Mesozoic and Paleozoic are all part of the Phanerozic era.
Eras are subdivisions of larger units of geologic time called eons.
they all connect
what is the basis on which subdivisions are made
The geologic time scale.
Geologic Time. It's called the Geologic Time Scale.
The Geologic Time Scale is divided up by four major intervals. In order from Largest to smallest: Eons are the largest time frame covering hundreds of millions of years. Eons are divided into smaller time intervals known as Eras. Eras are subdivided into Periods. Periods are broken into finer subdivisions known as Epochs.
The Geologic Time Scale is divided up by four major intervals. In order from Largest to smallest: Eons are the largest time frame covering hundreds of millions of years. Eons are divided into smaller time intervals known as Eras. Eras are subdivided into Periods. Periods are broken into finer subdivisions known as Epochs.
Precambrian is the largest division of the geologic time scale.
Phanerozoic is the eon which geologic time scale means visable life.
The Precambrian
in the scope of geologic time, how significant is the presence of humans?
Cenozoic