Answer:
Oldest to youngest : Oligocene, Eocene Miocene, Pliocene followed by holocene.
Explanation:
- Cenozoic s the most recent era i.e 66.5 million years ago and consists of the quaternary and the tertiary period and Holocene, Pleistocene, Pliocene, Miocene, Oligocene, Eocene, and Paleocene Epochs etc.
- Being sided into the Paleogene, Neogene, and quaternary. That's from 66 to 23 to 2.6 million years ago. The Paleogene consists of the Eocene and Oligocene epochs as Neogene consists of Miocene and Pliocene. While the quaternary includes the Pleistocene and the Holocene.
The answer would be the last option
No group in what? like government? can you be more specific?
