Question Detail
Question
Eons are subdivided into: a. Epochs b. Periods c. Tertiary d. Eras
Correct Answer
Option D is the correct answer.
Detailed Explanation
In the standard geologic time scale hierarchy, Eons are divided into Eras. For example, the Phanerozoic Eon is divided into the Paleozoic, Mesozoic, and Cenozoic Eras.
Hint
Eons are the biggest, so they are split into the next biggest units.