The Cretaceous Period was the longest period of time.
The period of Earth's time that would be considered longest is the Precambrian Era.
The Precambrian time period is the longest time period of Earth's history.Looks like we have the same worksheet in school :)
pelozic
It was the Precambrian time period.
The old
indra Gandhi
Prophase.
Pre-Cambrian Time Period
Pluto has the longest REVOLUTION period Venus has the longest ROTATION period
Check in the hall of records.
yes