Documents The Geologic Time Scale. Sections of time ERA Two or more geological periods comprise an era, which....

The Geologic Time Scale Sections of time ERA Two or more geological periods comprise an era, which is hundreds of millions of years in duration. PERIOD The period is the…

Documents The Geologic Time Scale

The Geologic Time Scale Sections of time ERA Two or more geological periods comprise an era, which is hundreds of millions of years in duration. PERIOD The period is the…