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¡¡¡¡1. Typical of the grassland dwellers of the continent is the American antelope, or pronghorn.
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¡¡¡¡2. Of the millions who saw Haley's comet in 1986, how many people will live long enough to see it return in the twenty-first century.
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¡¡¡¡3. Anthropologists have discovered that fear, happiness, sadness, and surprise are universally reflected in facial expressions.
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¡¡¡¡4. Because of its irritating effect on humans, the use of phenol as a general antiseptic has been largely discontinued.
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¡¡¡¡5. In group to remain in existence, a profit-making organization must, in the long run, produce something consumers consider useful or desirable.
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¡¡¡¡6. The greater the population there is in a locality, the greater the need there is for water, transportation, and disposal of refuse.
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¡¡¡¡7. It is more difficult to write simply, directly, and effectively than to employ flowery but vague expressions that only obscure one's meaning.
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¡¡¡¡8. With modern offices becoming more mechanized, designers are attempting to personalize them with warmer, less severe interiors.
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¡¡¡¡9. The difference between libel and slander is that libel is printed while slander is spoken.
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¡¡¡¡10. The knee is the joints where the thigh bone meets the large bone of the lower leg.
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¡¡¡¡11. Acids are chemical compounds that, in water solution, have a sharp taste, a corrosive action on £Í£Å£Ô£Áls, and the ability to turn certain blue vegetable dyes red.
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¡¡¡¡12. Billie Holiday's reputation as a great jazz-blues singer rests on her ability to give emotional depth to her songs.
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¡¡¡¡13. Essentially, a theory is an abstract, symbolic representation of what is conceived to be reality.
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¡¡¡¡14. Long before children are able to speak or understand a language, they communicate through facial expressions and by making noises.
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¡¡¡¡15. Thanks to modern irrigation, crops now grow abundantly in areas where once nothing but cacti and sagebrush could live.
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¡¡¡¡16. The development of mechanical timepieces spurred the search for more accurate sundials with which to regulate them.
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¡¡¡¡17. Anthropology is a science in that anthropologists use a rigorous set of methods and techniques to Îĵµ observations that can be checked by others.
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¡¡¡¡18. Fungi are important in the process of decay, which returns ingredients to the soil, enhances soil fertility, and decomposes animal debris.
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¡¡¡¡19. When it is struck, a tuning fork produces an almost pure tone, retaining its pitch over a long period of time.
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¡¡¡¡20. Although pecans are most plentiful in the southeastern part of the United States, they are found as far north as Ohio and Illinois.
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¡¡¡¡21. Eliminating problems by transferring the blame to others is often called scape-goating.
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¡¡¡¡22. The chief foods eaten in any country depend largely on what grows best in its climate and soil.
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¡¡¡¡23. Over a very large number of trials, the probability of an event's occurring is equal to the probability that it will not occur.
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¡¡¡¡24. Most substance contract when they freeze so that the density of a substance's solid is higher than the density of its liquid.
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¡¡¡¡25. The mechanism by which brain cells store memories is not clearly understood.
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