1. Typical of the grassland dwellers of the continent is theAmerican antelope, or pronghorn.
2. Of the millions who saw Haley’s comet in 1986, howmany people will live long enough to see it return in the twenty-first century.
3. Anthropologists have discovered that fear, happiness,sadness, and surprise are universally reflected in facialexpressions.
4. Because of its irritating effect on humans, the use of phenol as a general antiseptic has beenlargely discontinued.
5. Insgroupsto remain in existence, a profit-making organization must, in the long run,produce something consumers consider useful or desirable.
6. The greater the population there is in a locality, the greater the need there is for water,transportation, and disposal of refuse.
7. It is more difficult to write simply, directly, and effectively than to employ flowery but vagueexpressions that only obscure one’s meaning.
8. With modern offices becoming more mechanized, designers are attempting to personalizethem with warmer, less severe interiors.
9. The difference between libel and slander is that libel is printed while slander is spoken.
10. The knee is the jointswheresthe thigh bone meets the large bone of the lower leg.
11. Acids are chemical compounds that, in water solution, have a sharp taste, a corrosiveaction on metals, and the ability to turn certain blue vegetable dyes red.
12. Billie Holiday’s reputation as a great jazz-blues singer rests on her ability to give emotionaldepth to her songs.
13. Essentially, a theory is an abstract, symbolic representation of what is conceived to bereality.
14. Long before children are able to speak or understand a language, they communicatethrough facial expressions and by making noises.
15. Thanks to modern irrigation, crops now grow abundantly in areasswheresonce nothingbut cacti and sagebrush could live.
16. The development of mechanical timepieces spurred the search for more accurate sundialswith which to regulate them.
17. Anthropology is a science in that anthropologists use a rigorous set of methods andtechniques to document observations that can be checked by others.
18. Fungi are important in the process of decay, which returns ingredients to the soil,enhances soil fertility, and decomposes animal debris.
19. When it is struck, a tuning fork produces an almost pure tone, retaining its pitch over along period of time.
20. Although pecans are most plentiful in the southeastern part of the United States, they arefound as far north as Ohio and Illinois.
21. Eliminating problems by transferring the blame to others is often called scapegoating.
22. The chief foods eaten in any country depend largely on what grows best in its climate andsoil.
23. Over a very large number of trials, the probability of an event’s occurring is equal to theprobability that it will not occur.
24. Most substance contract when they freeze so that the density of a substance’s solid ishigher than the density of its liquid.
25. The mechanism by which brain cells store memories is not clearly understood.
26. By the middle of the twentieth century, painters and sculptors in the United States hadbegun to exert a great worldwide influence over art.
27. In the eastern part of New Jersey lies the city of Elizabeth, a major shipping andmanufacturing center.
28. Elizabeth Blackwell, the first woman medical doctor in the United States, founded the NewYork Infirmary, an institution that has always had a completely female medical staff.
29. Alexander Graham Bell once told his family that he would rather be remembered as ateacher of the deaf than as the inventor of the telephone.
30. Because its leaves remain green long after being picked, rosemary became associated withthe idea of remembrance.
31. Although apparently rigid, bones exhibit a degree of elasticity that enables the skeleton towithstand considerable impact.
32. That xenon could not form chemical compounds was once believed by scientists.
33. Researchsintosthe dynamics of storms is directed toward improving the ability to predictthese events and thus to minimize damage and avoid loss of life.
34. The elimination of inflation would ensure that the amount of money used in repaying aloan would have the same value as the amount of money borrowed.
35. Futurism, an early twentieth-century movement in art, rejected all traditions andattempted to glorify contemporary life by emphasizing the machine and motion.
36. One of the wildest and most inaccessible parts of the United States is theEvergladesswhereswildlife is abundant and largely protected.
37. Lucretia Mott’s influence was so significant that she has been credited by some authoritiesas the originator of feminism in the United States.
38. The activities of the international marketing researcher are frequently much broader thanthose of the domestic marketer.
39. The continental divide refers to an imaginary line in the North American Rockies thatdivides the waters flowingsintosthe Atlantic Ocean from those flowingsintosthe Pacific.
40. Studies of the gravity field of the Earth indicate that its crust and mantle yield whenunusual weight is placed on them.
41. The annual worth of Utah’s manufacturing is greater than that of its mining and farmingcombined.
42. The wallflower is so called because its weak stems often grow on walls and along stony cliffsfor support.
43. It is the interaction between people, rather than the events that occur in their lives, that isthe main focus of social psychology.
44. No social crusade aroused Elizabeth Williams’enthusiasm more than the expansion ofeducational facilities for immigrants to the United States.
45. Quails typically have short rounded wings that enable them to springsintosfull flightinstantly when disturbed in their hiding places.
46. According to anthropologists, the earliest ancestors of humans that stood uprightresembled chimpanzees facially, with sloping foreheads and protruding brows.
47. Not until 1866 was the fully successful transatlantic cable finally laid.
48. In his writing, John Crowe Ransom describes what he considers the spiritual barrenness ofsociety brought about by science and technology.
49. Children with parents whose guidance is firm, consistent, and rational are inclined topossess high levels of self-confidence.
50. The ancient Hopewell people of North America probably cultivated corn and other crops,but hunting and gathering were still of critical importance in their economy.