Precambrian is the largest division of the geologic time scale.
eon
Epoch
Eon.
an era uhm NO ^ an eon . (apex)
Eon
Phanerozoic is the eon which geologic time scale means visable life.
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.
Epoch
epoch
Eon.
an era uhm NO ^ an eon . (apex)
an era uhm NO ^ an eon . (apex)
The longest in geological time is an Eon eg. Archeozoic Eon . Edit: there is also the supereon, which is usually composed of 2-3 eons.
geologic time scale. i got this answer from a final in my science class
Eon
The answer before this was smart alec and stupid so I'm just typing this instead so you know not to look at this.
The geologic time scale.
fossils contained within the rock. got answers from Earth Science book while doing my HW