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A very large mass extinction in which trilobites and amphibians disappeared occurred at the end of the a. Precambrian Era. b. Cambrian Period. c. Paleozoic Era. d. Quaternary Period.
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Nov 16, 2024
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A very large mass extinction in which trilobites and amphibians disappeared occurred at the end of the
a. Precambrian Era.
b. Cambrian Period.
c. Paleozoic Era.
d. Quaternary Period.
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CD Jorgensen
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I think it is c Paleozoic era
IrJvV
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Nov 22, 2024
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IrJvV
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