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____ on the geologic time scale are marked by major, striking, and worldwide changes in the type of fossils present. a. Eras c. Epochs b. Periods d. all of the above
Eras on the geologic time scale are marked by major, striking, and worldwide changes in the type of fossils present.
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nicole008|Points 30|
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Asked 5/4/2015 11:50:45 AM
Updated 5/4/2015 12:07:51 PM
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This answer has been confirmed as correct and helpful.
Edited by jeifunk [5/4/2015 12:07:50 PM], Confirmed by jeifunk [5/4/2015 12:07:51 PM]
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1 Answer/Comment
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Updated 8/26/2016 5:02:26 AM
1 Answer/Comment
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