Question

Earth's Processes: Weathering and Erosion Online Practice
Complete this assessment to review what you’ve learned. It will not count toward your grade.
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Question
What main criterion determines major divisions in the geologic time scale?(1 point)
Responses

the occurrence of huge events in Earth's natural history
the occurrence of huge events in Earth's natural history

shifts in the position of Earth in its orbit
shifts in the position of Earth in its orbit

different stages in human evolution
different stages in human evolution

times of major climate change

Answer 1

The main criterion that determines major divisions in the geologic time scale is **the occurrence of huge events in Earth's natural history**. This includes significant events such as mass extinctions and major geological changes.