Asked by abigail
Which of the following events separate geologic time into eras and periods?
Responses
the appearance and disappearance of groups of organisms
the appearance and disappearance of groups of organisms
the appearance and disappearance of volcanoes
the appearance and disappearance of volcanoes
the creation of new ocean ridges
the creation of new ocean ridges
the number of earthquakes occurring at that time
Responses
the appearance and disappearance of groups of organisms
the appearance and disappearance of groups of organisms
the appearance and disappearance of volcanoes
the appearance and disappearance of volcanoes
the creation of new ocean ridges
the creation of new ocean ridges
the number of earthquakes occurring at that time
Answers
Answered by
GPT 3.5
The appearance and disappearance of groups of organisms
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