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07 Dec 2020, 04:44
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Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
25%
(medium)
Question Stats:
80% (02:16) correct
20%
(02:45)
wrong
based on 320
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Astronomer: Mount Shalko is the perfect site for the proposed astronomical observatory. The summit would accommodate the complex as currently designed, with some room left for expansion. There are no large cities near the mountain, so neither smog nor artificial light interferes with atmospheric transparency. Critics claim that Mount Shalko is a unique ecological site, but the observatory need not be a threat to endemic life-forms. In fact, since it would preclude recreational use of the mountain, it should be their salvation. It is estimated that 20,000 recreational users visit the mountain every year, posing a threat to the wildlife.
Which one of the following, if true, most weakens the astronomer’s argument?
(A) More than a dozen insect and plant species endemic to Mount Shalko are found nowhere else on earth.
(B) Acoalition of 14 different groups, as diverse as taxpayer organizations and hunting associations, opposes the building of the new observatory.
(C) Having a complex that covers most of the summit, as well as having the necessary security fences and access road on the mountain, could involve just as much ecological disruption as does the current level of recreational use.
(D) The building of the observatory would not cause the small towns near Mount Shalko eventually to develop into a large city, complete with smog, bright lights, and an influx of recreation seekers.
(E) Asurvey conducted by a team of park rangers concluded that two other mountains in the same general area have more potential for recreational use than Mount Shalko.
Which one of the following, if true, most weakens the astronomer’s argument?
(A) More than a dozen insect and plant species endemic to Mount Shalko are found nowhere else on earth.
(B) Acoalition of 14 different groups, as diverse as taxpayer organizations and hunting associations, opposes the building of the new observatory.
(C) Having a complex that covers most of the summit, as well as having the necessary security fences and access road on the mountain, could involve just as much ecological disruption as does the current level of recreational use.
(D) The building of the observatory would not cause the small towns near Mount Shalko eventually to develop into a large city, complete with smog, bright lights, and an influx of recreation seekers.
(E) Asurvey conducted by a team of park rangers concluded that two other mountains in the same general area have more potential for recreational use than Mount Shalko.
29 Dec 2020, 02:56
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Sajjad1994
Conclusion: Mount Shalko is the perfect site for the proposed astronomical observatory.
Why?
- The summit would accommodate the complex as currently designed, with some room left for expansion. - - There are no large cities near the mountain, so neither smog nor artificial light interferes with atmospheric transparency.
- The observatory could lead to reduction in threat to wildlife by recreational users.
We need to weaken the argument.
(A) More than a dozen insect and plant species endemic to Mount Shalko are found nowhere else on earth.
Wild life means animal species so plant species are perhaps not affected by recreational users, but plant species might get affected by construction so this could bring in a new problem - that plant species might get threatened. But it is possible that the exclusive plant species are not present where the observatory is to be constructed or they may be re-planted on another spot etc. Hence, we cannot say that this will weaken the conclusion.
(B) A coalition of 14 different groups, as diverse as taxpayer organizations and hunting associations, opposes the building of the new observatory.
Irrelevant.
(C) Having a complex that covers most of the summit, as well as having the necessary security fences and access road on the mountain, could involve just as much ecological disruption as does the current level of recreational use.
This says that constructing the observatory here could cause some large scale ecological disruption. Then, of the points given, third point may not be valid. This does weaken the argument by giving a negative side of a premise. Note that it is not conflicting with the premise. It is just giving additional data relevant to that premise which makes our conclusion less likely. Hence this is correct.
(D) The building of the observatory would not cause the small towns near Mount Shalko eventually to develop into a large city, complete with smog, bright lights, and an influx of recreation seekers.
Note the "not cause" here. It says that the construction will not convert small town to large cities. Well, that is good for our plan. It does not weaken our plan.
(E) Asurvey conducted by a team of park rangers concluded that two other mountains in the same general area have more potential for recreational use than Mount Shalko.
Irrelevant.
Answer (C)
General Discussion
08 Dec 2020, 02:29
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The answer is C?
As C suggests it involves the same level of disruption as does the current recreational use. Thus refuting the claim that it will "preclude recreational use" because even if they do, still they are causing the same level of harm.
As C suggests it involves the same level of disruption as does the current recreational use. Thus refuting the claim that it will "preclude recreational use" because even if they do, still they are causing the same level of harm.
