The history of the planet.A record of the geologic events and life forms the earth's history.
to record important events and life forms
Precambrian is the largest division of the geologic time scale.
The Geologic Time scale makes it easier to see the age of rock layers.
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The history of the planet.A record of the geologic events and life forms the earth's history.
fossil record geologic time scale
to record important events and life forms
to record important events and life forms
fossil record geologic time scale
fossil record geologic time scale
fossil record geologic time scale
fossil record geologic time scale
fossil record geologic time scale
fossil record geologic time scale
fossil record geologic time scale
fossil record geologic time scale