Which Statement Best Summarizes the Development of the Geologic Time

question 34

Multiple Choice

Which statement best summarizes the development of the geologic time scale?

• A)Numerical ages for rocks were known well before the relative sequence of sedimentary layers was established.
• B)Relative ages for sedimentary strata were known well before accurate numerical dates for these rocks could be provided.
• C)Names of relative ages (such as Silurian)and accurate numerical dates for these ages appeared at about the same time.

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