Question

What is being used by scientists to organize Earth’s history?(1 point)
Responses

fossil record
fossil record

geologic time scale
geologic time scale

layers of rock
layers of rock

mass extinctions

Answer 1

The correct answer is **geologic time scale**. Scientists use the geologic time scale to organize Earth's history, including major events, such as mass extinctions, changes in the fossil record, and the formation of different layers of rock.