The ________ period on the geologic time scale is a historic name that has now largely been replaced by the Paleogene and Neogene periods.
A)Carboniferous
B)Hadean
C)Quaternary
D)Tertiary

Question

Quizplus · Accepted Answer

The Tertiary period was divided into the Paleogene and Neogene periods in 2004, with the Paleogene including the earlier part of the Tertiary and the Neogene including the later part. Therefore, the Tertiary period is no longer used as an official term on the geologic time scale.

The ________ Period on the Geologic Time Scale Is a Historic