Which of the hypothetical discoveries would MOST likely shed doubt on the author's claim that "field regeneration" could be responsible for the earth's magnetic reversals
A. Extreme fluctuations in the dynamo processes are discovered to be exceedingly rare, if they occur at all.
B. Magnetic field lines are discovered to diffuse very poorly through the earth's outer core.
C. Realignment of the earth's magnetic polarity is discovered to occur much more frequently than was previously believed.
D. Molten iron is discovered to be a poorer electrical conductor than was previously believed.
E. The earth's core is found to move at a much faster rate than had previously been measured.
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The author refers to the increase in animal bones in the fourth paragraph primarily in order to
A. demonstrate the increase of the availability of grazing mammals during the desiccation of the African landscape
B. suggest a reason why robust proto-humans eventually failed in the competition with Homo for animal prey
C. provide proof that environmental changes did indeed occur around a time of rapid evolution for Homo
D. explain the means by which Homo was able to make use of the appearance of the antelope and gazelle
E. offer evidence that with the desiccation of the African landscape, Homo's diet changed from that of the australopithecine
It can be inferred from the passage that the author would MOST likely consider which of the following to be an example of a conquered culture adopting an appropriation strategy for the sake of survival
A. The culture finds that an innocuous everyday object can be used as a deadly weapon against the conqueror.
B. The culture subverts the meaning of the conqueror's dance in order to perform an outlawed magic ritual.
C. The culture refuses to genuflect in a respectful manner before the conquering people.
D. The culture adopts the conqueror's warm method of dress in order to survive a harsh climate.
E. The culture uses a ceremony from the conqueror's religion in order to spread plans for an uprising.
At a time when Internet use is expanding rapidly, social critics say the technology could______the fragmentation of U. S. society or help to fuse it, depending on how it is used.
A. attenuate
B. exacerbate
C. simplify
D. eradicate
E. retard
Though these plots against our organization are malignant growths, we have no right to______them by methods as unkind to random bystanders as radiation may be to healthy tissue.
A. sublimate
B. extirpate
C. irradiate
D. desiccate
E. exfoliate
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