It is 4 billion years
Precambrian is the largest division of the geologic time scale.
Precambrian, Paleozoic, Mesozoic and Cenozoic.
Eon
The divisions of the geologic time scale are divided into four eras. from earliest to closer to the present is the Precambrian, Paleozoic, Mesozoic, Cenozoic. During these time periods, there were several major evolutionary events. Most commonly known are the dinosaurs and humans. Hope that helped :)
Precambrian
The Precambrian
Precambrian is the largest division of the geologic time scale.
precambrian times
geologic time scale
Era & period Tracy Feng
Precambrian, Paleozoic, Mesozoic and Cenozoic.
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.
The geologic time scale that represents the longest time span is the eon. It is a unit of time that is equal to a billion years.
The divisions of the geologic time scale are divided into four eras. from earliest to closer to the present is the Precambrian, Paleozoic, Mesozoic, Cenozoic. During these time periods, there were several major evolutionary events. Most commonly known are the dinosaurs and humans. Hope that helped :)
It is 4 billion years
Precambrian time.