Question

2 Questions

Why is the geologic time scale used to show Earth's history?
What methods did geologists use when they first developed the geologic time scale?

Answer 1

It is used to shows earths history to show and teach and tell everybody there past and hirstory

Answer 2

It is used in the earth’s history because it shows how old the earth in general. Geologist would use rocks layers to study on to see how old it is.