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Saturn's rings, among the most iconic features in the solar system, are not ____________: they're raining so much water onto the planet that in 300 million years they could rain themselves nearly out of existence.
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Unlike some of her colleagues, the well-known investor (i)___________ large, established companies, instead preferring companies in(ii)_____________ stage of development.
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The degree of encephalization (the ratio of brain mass to total body mass) is not (i)____________ cognitive ability: there are data suggesting that cognition is (ii)____________ the absolute number of cerebral neurons and their connections.
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For some scientists, the (i)____________ artificial islands is (ii)____________ their potential for (iii)____________ oceanographic-research vessels and coastal marine labs. Ships are on the water, but they don't stay put. Coastal labs can gather long time series of data in one place but don't provide access to deeper water. An artificial island could allow low-cost, long-term access to the ocean for research, especially for students in tropical countries where natural systems are among the most sensitive to human activities.
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Author James Baldwin acknowledged the ____________ of his criticizing politically polemical fiction when he himself was deeply committed to the promotion of progressive political aims.
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Archaeology, paleontology, and geology depend on the ____________ of data collection to construct scientific knowledge:if there are no fossils preserved, or if they remain undiscovered and uninterpreted,there is nothing to study.
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Sea turtles' grazing on sea grass is less ____________ near Bermuda than elsewhere: Bermuda protects sea turtles as an endangered species but does not protect their predators, tiger sharks.
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Influenza is ____________ virus: it is full of surprises and newness, prone to mutation and reassortment.
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In 1998, observations of a (i)____________ in the growth of atmospheric methane, a potent greenhouse gas, suggested that many of the scenarios for global warming provided in a 1995 assessment may have been overly (ii)____________. Celebration was, however, premature: subsequent research has established that the observed phenomena were likely caused by (iii)____________ declines in industrial and natural emissions.
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Japan's first university was more (i)_______________ than its Chinese counterparts in the same era, since the Chinese Tang system was highly (ii)_____________. However, this changed over time. As Japanese court offices became increasingly hereditary, the examination system, by which students from a wide range of social classes were admitted into the universities, (iii)____________.
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Ancient coins displayed in museums are almost by definition ____________, on display precisely because they are the most beautiful, the most elaborate, and the best-preserved samples.
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Although traditionally artists have rightly been seen as the most ____________ audience for the work of their colleagues, today taste is also created by critics and curators and occasionally by collectors.
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Debates over technologies often ____________ their development: we can reflect on many of the social and ethical issues that the possibility of geoengineering the climate raises right as these technologies are coming into existence.
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When published Native American autobiographies derive from a Native subject's oral narration transcribed and edited by a non-Native collaborator, some consider the term "autobiography"____________ since the final work may largely reflect the editor's choices.
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