According to the table, the percent of households in 1980 with neither a microwave oven nor a central air conditioner must be in which of the following inclusive intervals?
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An artist has 3 hooks on the wall and 5 different pictures. How many different arrangements of 3 pictures can be formed if the artist puts one of the 5 pictures on each hook?
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A certain spacecraft has 2 separate computer systems, X and Y, each of which functions independently of the other. The probabilities that systems X and Y will function correctly at liftoff are 0.90 and 0.99, respectively. What is the probability that at least one system will function correctly at liftoff?
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There is little question that in primates there is (i) ___________ between monogamous mating partnerships and extensive male care of infants. Nevertheless, that does not mean male care is(ii) ___________ situations in which females mate with more than one male; studies of savanna baboons show that male care certainly can occur in nonmonogamous systems.
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As a publisher and a businessman, Guillaume Rouille was ___________: he included a full set of portraits of the Ottoman Sultans in his encyclopedia to cater to the public thirst for information concerning the expanding empire of the Turks.
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The adipose tissue in which our bodies store fat from the food we eat has traditionally been thought of as __________, but in reality this tissue constitutes a dynamic organ, not a mere repository.
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Whereas in the early nineteenth century phrenologists had seen every part of the brain surface as the seat of a specific intellectual or moral faculty, the 1830s and 1840s saw a (i)___________ of this belief, to such an extent that the brain came to be seen as (ii)__________.
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When learners are engaged in mathematical problem-solving, their activity does not have from the outset the structure of what will be considered a mathematical proof. Instead, a tangle of intuitions, know-how, factual knowledge, and a variety of other mental constructs allows learners to entertain choices and make decisions. Nonetheless, (i)___________ such mental activity (ii)___________ is (iii)___________: in many situations this process works, although it can prove to be wrong as a result of overgeneralizations.
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Nowhere is the gulf between humans and chimpanzees (i)____________ than in their mental abilities: whereas children gradually acquire the ability to infer the mental states of others, an acquisition that underlies language and culture, evidence for this ability in chimps is (ii)____________.
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Given the important role that apologies can play in human relations and the almost daily news reports of the latest celebrity or political apology, the ____________ of empirical research on the subject is surprising.
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The author`s account of her ordeal could easily have been _____________, sugar-coated with inspiration and soggy with tears; instead, it finds her writing with candor about her struggles and describing them with a rare intimacy.
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After the first monarch butterfly overwintering site was discovered in Mexico in 1975, the biologist Lincoln Brower (i) _____________ the (ii) _____________ of additional sites. The principal reason for Brower`s contention was that roosting in a very limited area would make the species highly vulnerable to wildfire.
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Because human emotions are behavioral complexes, they presumably took a very long time to develop. Therefore, a complete lack of any (i) _____________ human emotions in ancestral species is (ii) _____________.
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Although many parents tend to be extremely critical of the public school educational system as a whole, they are reluctant to treat their children`s teachers with equal _____________.
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The rebellion was _____________ one, driven less by ardor than by reason and calculation.
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Too much focus on what might have been can cause in us feelings of powerlessness and regret, but some scientists are beginning to think that imagining an alternative reality might have _____________ effects as well.
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The tape recorder is to blame for the (i) _____________ of the interview and has thus had a (ii) _____________ effect on journalism. The possibility of verbatim reproduction has fostered the illusion that the voice of truth is that of the interviewee rather than the more critically detached voice belonging to the journalist. Maybe journalists should return to the lowly notebook, which allows them to (iii) _____________ while listening, relegating the tape recorder to its real role of invaluable witness.
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Developments in neuroscience and animal behavior have led researchers to question the view that unmitigated competition is ______________ animal life: in primatology, the countermovement started with research into how friendships and conflict resolution favor survival.
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According to the passage. the painting of murals in public places was primarily motivated by a
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