vivian69420 vivian69420

23-06-2020
Biology

contestada

Which eras ended with a mass extinction?
O A. Paleozoic and Precambrian
O B. Mesozoic and Paleozoic
OC. Mesozoic and Cenozoic
O D. Cenozoic and Paleozoic

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chocarG chocarG

23-06-2020

B. Mesozoic and Paleozoic

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