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16. Keisha: “The wetlands located on the south side of the football field need to be preserved at any cost. They are an important habitat for many species of birds, and if the wetlands are lost, the environmental impacts will be enormous. Plus, many residents appreciate the peaceful walking trails through the wetlands.”
Bill: “But our town is facing an economic recession. We do not have enough affordable housing, and many areas are becoming crowded. We do not have the economic resources to pay for any maintenance costs for the wetlands, and they could also be turned into an affordable housing unit, which is desperately needed.”
Which of the following is the main point at issue between Keisha and Bill?
17. At Southeastern College, students in the School of Engineering pay tuition that is 50% higher than that of other students. The administration believes the cost is justified, as the materials and classrooms necessary for the engineering program cost more than that of other programs. Historically, 25% of students at Southeastern have been enrolled in the School of Engineering. This year, however, only 15% of students were engineering students.
Which of the following can be inferred from the above passage?
18. In recent years, the deer population in West Dakota has increased more than 200%. The deer are beginning to become a nuisance, and car accidents involving motorists hitting deer have increased more than 100%. Fearing for motorists’ safety, the state increased the hunting season for deer, allowing residents with a hunting permit to hunt deer for four months instead of three. Following the prolonged hunting season, the number of car accidents involving deer dropped by 75%, prompting state officials to declare that the deer population had been reduced substantially.
Which of the following, if true, most strongly supports the conclusion drawn by the state?
19. Although it is now known that using a mobile phone on an aircraft is safe, people should still be prevented from using one. Sitting next to someone talking on a phone for hours is annoying, and mobility is so limited on a plane that many passengers will be forced to listen to long conversations that they cannot avoid.
Which one of the following principles, if established, would justify the reasoning in the preceding passage?
20. Many skin cancer patients were found to have used a certain kind of sun protection cream. A lab researcher decided to experiment by using the cream, and after six months, also developed skin cancer. The researcher concluded that the cream caused skin cancer.
Which of the following, if true, most supports the conclusion reached by the researcher?