Earth Science: Geology, the Environment, and the Universe

Section 1: Mesozoic Paleogeography

Mesozoic Paleogeography

1
The second orogeny in western North America was characterized by __________.
A)igneous intrusions
B)low-angle thrust faults and folds
C)folding
D)vertical uplifts

2
What caused Pangaea to break apart?
A)an upwelling on the western side of Pangaea
B)a heat source beneath the continental crust
C)lithospheric compression and thrust faulting
D)compressional forces that pushed Pangaea to the north

3
Which periods are in the Mesozoic Era?
A)the Triassic, Permian, Ordovician, and Cretaceous Periods
B)the Triassic, Jurassic, and Cretaceous Periods
C)the Cretaceous, Tertiary, and Ordovician Periods
D)the Jurassic, Triassic, and Ordovician Periods

4
The breakup of Pangaea resulted in __________.
A)the formation of the Appalachian Mountains
B)the formation of a supercontinent
C)the formation of the Atlantic Ocean
D)the formation of the Pacific Ocean

5
The oldest orogeny in western North America was characterized by __________.
A)igneous intrusions
B)thrust faulting
C)folding
D)thrust faulting and igneous intrusions

6
During the Mesozoic Era, the sea level __________.
A)rose in the Triassic and Jurassic but dropped in the Cretaceous
B)dropped at the end of the Triassic but rose throughout the Jurassic and Cretaceous
C)continuously rose
D)constantly rose and flooded North America
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