Boundaries between intervals of the geological time scale are determined by
a. Major events i...
Boundaries between intervals of the geological time scale are determined by
a. Major events in the Earth's history, such as major extinctions.
b. dividing the time range of the interval by the number desired subdivisions, thereby creating equal intervals between the divisions. c. Climatic periods based on paleoclimatological reconstructions.
Answers: 3
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