Question Detail
Question
In the hierarchy of the geologic history of life, the largest is the: a. Period b. Eon c.
Correct Answer
Option B is the correct answer.
Detailed Explanation
In the geologic time scale, Eons are the largest and most inclusive units of time, spanning billions of years. The Phanerozoic Eon, for example, covers the last ~541 million years.
Hint
This is the biggest chunk of time in the geologic calendar.