Step-by-step explanation:
The geologic time scale is a method of historical dating that analyzes geological strata in time. Also, the geologic time scale is the calendar for happenings in Earth history. Geologists, paleontologists, and other Earth scientists use it to explain the timing and connections of events in geologic history. Furthermore, eons are the division of the geologic time scale into influential parts of time. Eras are the smaller pieces that eons are likely to divide into, and each era is divided into periods.