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The North America Cordillera formed by the collision of North America and _______.
Answer: numerous continental and oceanic fragments - microplates
Answer: numerous continental and oceanic fragments - microplates
Answer: Mauritanides
Answer: all of these
Answer: about 200 million years
Answer: 250 kilometers
Answer: all of these
Answer: Devonian
Answer: Permian
Answer: the Piedmont
Answer: Paleozoic
Answer: the Basin and Range
I. formation of the Main Boundary Thrust
II. formation of the Main Central Thrust
III. collision of the Indian and Eurasian continents
IV. formation of a volcanic arc on the southern edge of Eurasia
Answer: IV
I. formation of the Main Boundary Thrust
II. formation of the Main Central Thrust
III. collision of the Indian and Eurasian continents
IV. formation of a volcanic arc on the southern edge of Eurasia
Answer: IV > III > II > I
Answer: northwest
Answer: 50 million years ago
Answer: all of these
Answer: about 400 meters
Answer: an unconformity
Answer: Canadian Shield
Answer: shields