Geography
Geography, 12.11.2019 03:31, kaykay9243

Which of the following events separate geologic time into eras and periods?
the creation of new ocean ridges
the appearance and disappearance of volcanoes
the appearance and disappearance of groups of organisms
the number of earthquakes occurring at that time

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Chemistry, 07.11.2019 18:31, Joshyy23
Which of the following events separate geologic time into eras and periods? the appearance and disappearance of volcanoes the appearance and disappearance of groups of organisms the creation of new ocean ridges the number of earthquakes occurring at that time
Answers: 2
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Which of the following events separate geologic time into eras and periods?
the creation of n...

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