Which of the following denotes the divisions of the geologic time scale in correct order of decreasing lengths of time beginning with the longest time interval and ending with the shortest?
A) eon, era, period, epoch
B) eon, epoch, period, era
C) era, period, epoch, eon
D) eon, era, epoch, period

Question

Quizplus · Accepted Answer

The geologic time scale is divided into eons (the longest time division), eras, periods, and epochs (the shortest time division). The correct order of decreasing lengths of time is eon, era, period, epoch. Option A lists the divisions in this correct order.

Which of the Following Denotes the Divisions of the Geologic