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.
Epoch
The geologic time scale.
Geologic Time. It's called the Geologic Time Scale.
Unconformity
Precambrian is the largest division of the geologic time scale.
Phanerozoic is the eon which geologic time scale means visable life.
Unconformity
The Precambrian
in the scope of geologic time, how significant is the presence of humans?
Cenozoic
On a geologic time scale, yes. On any other time scale, no.
The geologic time scale shows the timing and relationship of events that have occurred throughout Earth's history.
Eon The largest expanse of time on the geologic time scale is the eon. An eon would encompass at least two eras.