The geologic time scale is subdivided into eons,
Chapter 23, Problem 36(choose chapter or problem)
The geologic time scale is subdivided into eons, eras,periods, and epochs. Rank, from oldest to most recent,the following time periods: (a) Cretaceous, (b) Jurassic,(c) Triassic, (d) Tertiary, (e) Permian.
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