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tyressjones tyressjones
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7 years ago
The largest mass extinction event of all time occurred at the end of the
A) Cretaceous period.
B) Cambrian period.
C) Pleistocene epoch.
D) Mesozoic era.
E) Permian period.
Textbook 
Biology: Life on Earth

Biology: Life on Earth


Edition: 10th
Authors:
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kont24kont24
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7 years ago
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tyressjones Author
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7 years ago
Face with Open Mouth How can I every repay you!
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