how are eras and periods of the geologic time scale named?\nthey are named for the places where geologists…

how are eras and periods of the geologic time scale named?\nthey are named for the places where geologists first described rocks or fossils from that time.\ntheir names are based on the names of scientists who discovered the rocks and fossils.\nthey are named after plants and animals that lived during that time.\ntheir names are based on the number of centuries within that length of time.

how are eras and periods of the geologic time scale named?\nthey are named for the places where geologists first described rocks or fossils from that time.\ntheir names are based on the names of scientists who discovered the rocks and fossils.\nthey are named after plants and animals that lived during that time.\ntheir names are based on the number of centuries within that length of time.

Answer

Answer:

A. They are named for the places where geologists first described rocks or fossils from that time.

Brief Explanations:

Eras and periods of the geologic time - scale are often named after locations where characteristic rocks or fossils were first identified and studied by geologists. For example, the Cambrian period is named after Cambria (the Latin name for Wales) where rocks of that age were first studied in detail.