Free Practice Question
CR · Critical Reasoning
655-705
Conclusion
Impact craters caused by meteorites smashing into earth, have been found all around the globe but they have been found in the greatest density in geologically stable regions. This relatively greater abundance of securely identified craters in geologically stable regions must be explained by the lower rates of destructive geophysical processes in those regions.
The conclusion is properly drawn if which one of the following is assumed?
The conclusion is properly drawn if which one of the following is assumed?
Answer Choices
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A meteorite that strikes exactly the same spot as an earlier meteorite will obliterate all traces of the earlier impact.
B
Rates of destructive geophysical processes within any given region vary markedly throughout geological time.
C
The rate at which the Earth is struck by meteorites has greatly increased in geologically recent times.
D
Actual meteorite impacts have been scattered fairly evenly over the Earth's surface in the course of Earth's geological history.\n
E
The Earth's geologically stable regions have been studied more intensively by geologists than have its less stable regions.
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Difficulty
655-705
Type
CR