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It is 4 billion years
Precambrian is the largest division of the geologic time scale.
Eon
Precambrian, Paleozoic, Mesozoic and Cenozoic.
The 4 eras are Cenozoic era, the mesozoic era, the paleozoic era, and the precambrian era.
The Precambrian
precambrian times
It is 4 billion years
It is 4 billion years
Precambrian is the largest division of the geologic time scale.
Eon
Precambrian time - The period in the geologic time scale from the formation of the Earth to the beginning of the Palezonoic era, from about 4.6 billion to 543 million years ago.
geologic time scale
Era & period Tracy Feng
Precambrian, Paleozoic, Mesozoic and Cenozoic.
The 4 eras are Cenozoic era, the mesozoic era, the paleozoic era, and the precambrian era.
There is not many remains of the Precambrian time