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9. The chances that a species will ____ are reduced if any vital function is restricted to a single kind of organ;____ by itself possesses an enormous survival advantage. degenerate.. complexity expire.. size disappear.. variety flourish.. symmetry persist.. redundancy 10. Despite many decades of research on the gasification of coal, the data accumulated are not directly ____ to environmental questions; thus a new program of research specifically addressing such questions is ____. analogous.. promising transferable.. contradictory antithetical.. unremarkable applicable.. warranted pertinent.. unnecessary 11. In response to the follies of todays commercial and political worlds, the author does not ____ inflamed indignation, but rather ____ the detachment and smooth aphoristic prose of an eighteenth-century wit. display.. rails at rely on.. avoids suppress.. clings to express.. affects resort to.. spurns 12. Vaillant, who has been particularly interested in the means by which people attain mental health, seems to be looking for ____ answers: a way to close the book on at least a few questions about human nature. | 
