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OpenStudy (purple_pink):
In which geologic era are we? A. Paleozoic B. Cenozoic C. Mesozoic D. Precambrian
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OpenStudy (anonymous):
not d
OpenStudy (anonymous):
according to my research it is b
OpenStudy (purple_pink):
Which happened during the Paleozoic era? A. Bacteria were the dominant life-forms. B. Bony fish evolved. C. Sponges and invertebrates dominated the seas. D. No life was present yet on earth.
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