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What was the first period of the Paleozoic era? A. Ordovician B. Siberian C. Cambrian D. Precambrian
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What was the first period of the Paleozoic era?

A. Ordovician
B. Siberian
C. Cambrian
D. Precambrian

User Joshua Kravitz
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3 votes

Answer:

The Cambrian Period was the first period in the Paleozoic Era

Step-by-step explanation:

User PiersyP
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