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The shift from extraction to cultivation in forestry involves transforming the production of trees into a source of industrial productivity, leading to a greater degree of (i)_____ between biophysical nature on the one hand and industry on the other. In the process, nature is increasingly (ii)_____ industry and science.
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Appreciating that mathematical notation presents a major roadblock to many students, some well-meaning educators (i)_____ them by (ii)_____ the use of notation; but this is an unfortunate detour, since practice with notation (iii)_____ the important skill of reasoning.
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Having an intense and long-standing culture of (i)_____, the company understandably has a reputation as the supreme corporate (ii)_____. But even by these standard, the degree of secrecy surrounding the company`s most recent research is (iii)_____.
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If Wilson`s article style changed overtime, it was in the wrong retrograde direction, _____ experimentation and inclining toward works that seemed hobbled by a fear of risk.
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Considering how difficult it is to prove or disprove the existence of life on Mars, which is practically our neighbor, it is quite _____ challenge to do the same for any Earthlike planets that might exist outside our solar system.
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While it`s hard to know for sure, I suspect that the well-known authority`s silence on this contentious topic reflects the cautious _____ of a sensible scientist confronted with mixed data and mountains of speculation.
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Very few companies take the trouble to discover where the wood in their products originate; consumers do not demand this information, and consequently _____ regarding illicit timber has become the norm.
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Unambiguous texts can allow their readers to (i)_____ them quickly, but ambiguous texts can have the attractive (ii)_____ of multiple possible interpretations, all of which can be considered equally (iii)_____, and none of which is the single true meaning.
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Although the company still loses the occasional lawsuit, the litigation threat that once seemed so
_____ has become quite manageable.
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The concept of increasing complexity of organisms has _____ history among evolutionary biologists, and yet many laypeople would unhesitatingly say that the pattern applies to the history of life on Earth.
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The story lines of silent dramas may often have been _____, yet within those basic narrative outlines, the true artists among silent-film actors could express emotional shadings that have no analogue in spoken language.
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The candidate seeks to depict his opponent as being _____, as one who is simply unable to make a decision and stand his ground.
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The jury's verdict was such a surprise that the populace rioted in the streets; nothing less than a reversal of the verdict could _____ them.
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We often regard natural phenomena like rainfall as mysterious and unpredictable; although for short time spans and particular places they appear so, in fact on a truly global scale, nature has been a model of _____.
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There has been great enthusiasm in the United States for reducing fossil fuel dependence by
increasing production of biofuels from crops such as corn and switchgrass, but this (i)_____ about biofuel`s potential should be (ii)_____ by a realistic appraisal of the costs and challenges of biofuel production.
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According to Dr. Edith Widder, measuring the level of pollutants in sediment provides a more accurate and robust indication of an estuary's health than does measuring the level of chemicals in the water, since pollution in water is (i)_____, but pollution in sediment is (ii)_____
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Compared with, say, the precision of a skein of geese winging its way across the autumn sky in a V formation, the seasonal marches of grazers across the Serengeti seem (i)_____, and at times even (ii)_____. But, in fact, years of careful observation by scientists have shown that there is (iii)_____ those migrations of zebras, wildebeests, and Thomson`s gazelles.
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Biologists have little (i)_____ drawing the link between the success of humanity and human
(ii)_____. Indeed, many biologists claim that this attribute, the ability to (iii)_____, or, to put it more sharply, to make individuals subordinate their self-interest to the needs of the group, lies at the root of human achievement.
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Given the _____ of solid case studies of environment degradation, this new study adds very little to our knowledge of the field.
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Although his original mission was a failure, Russian botanist Michael Friedrich Adams achieved an unexpected _____ when he found, by chance, the carcass of a woolly mammoth.
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