Question

Define the geologic time scale and explain why geologists use it to show Earth’s history.

Answer 1

It's a system of chronological dating and geologists use it to describe the timing and relationships of events in Earth's history

Answer 2

Answer: The geologic time scale, GTS, is a system of chronological dating that relates geological stratigraphy to time. It is used to describe the timing of events that have occurred in the history of the Earth.

Geologists use GTS because the time durations of events between significant observable changes are much longer than those that occur in normal human life.