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Biology, 02.09.2019 07:00 BakedBiscuit6896

Which of the following is true regarding units of geologic time?
a. eras are divided into epochs; epochs are divided into periods.
b. epochs are divided into periods; periods are divided into eras.
c. periods are divided into epochs; epochs are divided into eras.
d. eras are divided into periods; periods are divided into epochs.

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Which of the following is true regarding units of geologic time?
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