CR challengers

2.Dr. Bronstein, the noted oncological researcher, cites contradictory evidence in his article comparing smoking and environmental factors as cancer-causing agents in humans. He attributes the increase in cancer-related mortality “largely to lung cancer,” which he further notes, “is itself largely due to smoking.” In a similar vein, he makes reference to methodologically sound studies which pinpoint smoking as the actor which causes the greatest number of cancer deaths. Yet, he then goes on record as stating that he agrees with estimates that approximately 80 percent of human cancers are caused by environmental factors and not by smoking.
Which one of the following would most contribute to an explanation of the apparent discrepancy described above?

a.he sources which Dr. Bronstein cited for the statistics linking 80 percent of human cancers to environmental factors cited smoking as the next largest cause of human cancers.

b.r. Bronstein fails to make the assumption that a given cancer could not be attributable to more than a single cause.

c.Many of the cancers caused by environmental factors do not result in death.

d.It is possible for the results of even the most methodologically sound of studies to be proven wrong at a later date.

e. Dr. Bronstein fails to consider that many of the individuals whose cancers were environmentally caused may have also been smokers.


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Vocab Power Updated Daily

  • COBBLED - Repair or mend
  • ABHORRENCE - Hate coupled with disgust
  • INCUMBENCY - The term during which some position is held
  • MITIGATE -Lessen or to try to lessen the seriousness or extent of
  • dubious - Open to doubt or suspicion
  • FOSTERING - Encouragement; aiding the development of something
  • ELICIT- Call forth (emotions, feelings, and responses)
  • PLAUSIBLE - Apparently reasonable and valid, and truthful
  • FORGE - Move ahead steadily
  • BOLSTER (V)-Support and strengthen
  • ECCENTRIC- A person with an unusual or odd personality
  • PATRONAGE - The act of providing approval and support
  • IMPERVIOUS - Not admitting of passage or capable of being affected

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