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For a Span of Some 300 Million Years,the Paleozoic Era,in

Question 9

Multiple Choice

For a span of some 300 million years,the Paleozoic Era,in which vascular plants,fishes,and other diverse life appeared,lasted approximately ___ of the geologic timescale.


A) None of the answer choices are correct.
B) 7%
C) 15%
D) 50%
E) 85%

Correct Answer:

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