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Diseases have always plagued the earth’s living organisms. Scientists

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Diseases have always plagued the earth’s living organisms. Scientists [#permalink]

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New post 02 Apr 2017, 11:21
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  55% (hard)

Question Stats:

59% (01:53) correct 41% (02:13) wrong based on 73 sessions

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Source: Nova GMAT

Diseases have always plagued the earth’s living organisms. Scientists believe that huge numbers of plant and animal diseases have developed and been eradicated naturally over time. This ongoing emergence and disappearance of diseases is ignored by those who blame the widespread incidence of cancer entirely upon man’s alteration of naturally occurring substances to, for instance, produce bigger and better food sources. For example, some claim that the use of hormones to increase meat production heightens the risk of cancer in people who eat meat. People who hold this view need to accept the fact that even if cancer was not such a prevalent disease, another disease would have arisen naturally to take its place.

Which one of the following identifies a flaw in the passage’s reasoning?

(A) The writer wrongly assumes that the use of hormones in meat production never has an effect upon people who eat meat.
(B) The writer ignores the fact that scientists are developing cures for some types of cancer.
(C) The writer does not consider the fact that a number of diseases have not yet been discovered.
(D) While the writer identifies a group that believes cancer is caused by man’s interference with natural forms of food production, he does not identify or recognize scientists who disagree with this contention.
(E) The author does not acknowledge that man’s alteration of naturally occurring substances might trigger the emergence of new diseases.
[Reveal] Spoiler: OA

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Diseases have always plagued the earth’s living organisms. Scientists [#permalink]

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New post 04 Apr 2017, 02:22
SajjadAhmad wrote:
Source: Nova GMAT

Diseases have always plagued the earth’s living organisms. Scientists believe that huge numbers of plant and animal diseases have developed and been eradicated naturally over time. This ongoing emergence and disappearance of diseases is ignored by those who blame the widespread incidence of cancer entirely upon man’s alteration of naturally occurring substances to, for instance, produce bigger and better food sources. For example, some claim that the use of hormones to increase meat production heightens the risk of cancer in people who eat meat. People who hold this view need to accept the fact that even if cancer was not such a prevalent disease, another disease would have arisen naturally to take its place.

Which one of the following identifies a flaw in the passage’s reasoning?

(A) The writer wrongly assumes that the use of hormones in meat production never has an effect upon people who eat meat.
(B) The writer ignores the fact that scientists are developing cures for some types of cancer.
(C) The writer does not consider the fact that a number of diseases have not yet been discovered.
(D) While the writer identifies a group that believes cancer is caused by man’s interference with natural forms of food production, he does not identify or recognize scientists who disagree with this contention.
(E) The author does not acknowledge that man’s alteration of naturally occurring substances might trigger the emergence of new diseases.


Argument structure :
The author is arguing that cancer is caused naturally one way or another.
Even if cancer were cured , some other disease will occur naturally not due to human interference.
The Argument doesn't mention if cancer is sure caused due to natural reasons. Like wise there is no evidence to believe that new diseases could emerge naturally.
There is a possibility that new diseases could emerge due to meddling .

Hence E.
Diseases have always plagued the earth’s living organisms. Scientists   [#permalink] 04 Apr 2017, 02:22
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Diseases have always plagued the earth’s living organisms. Scientists

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