The Permian\Triassic orogenic event that occurred with the collision of an island arc with the western margin of North America is called the ____ orogeny.
A) Antler
B) Cordilleran
C) Sonoma
D) Franciscan
E) Western
Correct Answer:
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Q1: During the Jurassic and Cretaceous, the Appalachian
Q2: More species went extinct at the end
Q3: The first Mesozoic mammals were very distinctive
Q4: Mammals attained a high degree of diversity
Q5: The earliest mammals had a single line
Q6: Mesozoic age coal deposits in the United
Q8: There is evidence that some of the
Q9: The Cretaceous extinction event was uniformly disastrous
Q10: Mesozoic birds are similar to Cenozoic birds
Q11: The marine fauna that repopulated the oceans
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