Boundaries Between Intervals of the Geological Time Scale Are Determined

question 153

Multiple Choice

Boundaries between intervals of the geological time scale are determined by which of the following?

• A)Dividing the time range of the interval by the number desired subdivisions,thereby creating equal intervals between the divisions.
• B)Major events in Earth's history,such as major extinctions.
• C)Using a quantile method whereby the number of years in each subdivision is determined by dividing the number of years by the desired number of classes.
• D)Climatic periods based on paleoclimatological reconstructions.

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