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The environmental threat posed by the New Zealand mud snail, an invasive species, is _____ by the snail's small size, which facilitates its spread across watersheds through human activity.
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Although the Kuiper Belt—the icy region of the solar system where Pluto orbits—was once much more crowded, today it has such a low density of objects that collisions between them are __________.
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Geologists suggest that as the most productive oil reservoirs begin to dry up, the expensive cost and high risk of drilling in the marginal area become less _____ and more acceptable.
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Evidence suggest that populations of migratory birds in both the New and Old Worlds have (i)_____, a (ii)_____ that carries the potential for significant ecological damage far beyond the shrinking numbers of the birds themselves.
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Even though company`s CEO professes to be (i)_____ and urges the deal forward, its investors are unlikely to be so (ii)_____ about its prospect. Many were uncomfortable at the way the corporation was forced to spend much of last year expansion, and this new venture is potentially even more risky.
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Among the most popular Currier&levs lithographic prints in nineteenth-century America were bird`s-eye views of great cities such as New York, Chicago, and San Francisco. These were edited into books, and the cities` (i)_____ meant that new views were (ii)_____ for successive editions.
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Dirac may have (i)_____ the company of other theoretical physicals, but he often (ii)_____, rarely (iii)_____ group discussions and almost never collaborating with others in his own work.
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Environmental models—mathematical representations designed to stimulate natural systems—are regularly used by litigants in legal disputes over environmental issues. Unfortunately, the (i)_____ scientific model is (ii)_____ in environmental tort litigation. Because of the adversarial nature of litigation, models are often used by one side to (iii)_____ empirical evidence presented by the other. And because modeling is a particularly technical field, the task of asserting a given model's relevance and reliability may exceed the abilities of judge and juries.
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Williams finds the appearance of Whitman's Leaves of Grass in 1855 nearly _____ given the immense disparity between Whitman's earlier published works, which Williams finds dismal, and the consummate mastery of Leaves.
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Carr insists that the so-called information society might be more accurately described as the interruption society: it _____ attention, the scarcest of all resources, and stuffs the mind trivia.
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Of all the singer's works, this album is the most dependent on the musical conventions of her day; it was both the least _____ of her albums and the most commercially successful.
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The environmental advocacy group pushed for a single, overarching wetlands management plan that would _____ the existing efforts of various entities, resulting in a focused blueprint for saving the area's wetlands.
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Once so fluid, the political situation had, two years after the declaration of the Republic, _____ so much that further change seemed inconceivable.
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Paul Robeson. Jr. wrote that his father was a flesh-and-blood artist whose accomplishments made him susceptible to hagiographic treatment by potential biographers. Robeson`s achievements were real, and there was no need for _____.
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The scientists who first proposed that Moon`s craters had resulted from impacts (i)_____: almost all of these craters were circular, and yet most impactors in heliocentric orbit would have an oblique path and hence would be expected to form (ii)_____ craters.
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When the United States government created the Post Office at the founding of the republic, it didn't invite rival postal firms to compete; in fact, it created a monopoly. That monopoly, however, was (i)_____ free expression because of policies Congress adopted, which (ii)_____ the circulation of newspapers irrespective of their viewpoint and spread postal service throughout the country.
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The cowbird can seem a rather comical creature with a slow, awkward walk and often upraised tail. Less (i)_____ is the cowbirds` habit of laying their eggs in the nests of other birds. The (ii)_____ nesters will usually accept the cowbird egg and raise the baby cowbird as their own. Unfortunately, cowbird eggs hatch sooner than the eggs of other species and the young cowbirds (iii)_____, using their size to their advantage in getting more food from the parents.
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The scientist (i)_____ that the now familiar term “global warming” is (ii)_____, arguing that the atmospheric buildup of long-lived greenhouse gases is setting in motion centuries of shifts in climate patterns, coastlines, water resources, and ecosystems—hardly (iii)_____ one would describe with a gentle word like “warming”.
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Nature-loving pilgrims from the eastern United States altered the country`s attitude toward California`s sequoia groves, transforming those stands of great trees from scientific curiosities to places of _____.
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Established scientists recognize that peer review of manuscripts submitted to scientific journals is critical to science, but this recognition _____ a certain ambivalence in them, since reviewing takes time away from their research.
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