life; living things
The geologic time scale.
No such thing. Some geometers consider time to be the fourth dimension. There is a "geologic time scale" which is the time scale at which you notice continents moving and mountain ridges growing and being eroded (very long time scale)
Geologic Time. It's called the Geologic Time Scale.
Precambrian is the largest division of the geologic time scale.
rectum
Cenozoic
Phanerozoic is the eon which geologic time scale means visable life.
Cenozoic
The geologic time scale shows the timing and relationship of events that have occurred throughout Earth's history.
Geological Time Scale.
in the scope of geologic time, how significant is the presence of humans?
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.