1. Typical of the grassland dwellers of the continent is the American antelope, or pronghorn.
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.
3. Anthropologists have discovered that fear, happiness, sadness, and surprise are universally reflected in facial expressions.
4. Because of its irritating effect on humans, the use of phenol as a general antiseptic has been largely discontinued.
5. In group to 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 vague expressions that only obscure one’s meaning.
     
8. With modern offices becoming more mechanized, designers are attempting to personalize them 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 joints where the thigh bone meets the large bone of the lower leg.


31. Although apparently rigid, bones exhibit a degree of elasticity that enables the skeleton to withstand considerable impact.
32. That xenon could not form chemical compounds was once believed by scientists.
     33. Research into the dynamics of storms is directed toward improving the ability to predict these 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 a loan would have the same value as the amount of money borrowed.
     35. Futurism, an early twentieth-century movement in art, rejected all traditions and attempted to glorify contemporary life by emphasizing the machine and motion.
     36. One of the wildest and most inaccessible parts of the United States is the Everglades where wildlife is abundant and largely protected.
     37. Lucretia Mott’s influence was so significant that she has been credited by some authorities as the originator of feminism in the United States.
     38. The activities of the international marketing researcher are frequently much broader than those of the domestic marketer.
     39. The continental divide refers to an imaginary line in the North American Rockies that divides the waters flowing into the Atlantic Ocean from those flowing into the Pacific.
     40. Studies of the gravity field of the Earth indicate that its crust and mantle yield when unusual weight is placed on them.


41. The annual worth of Utah’s manufacturing is greater than that of its mining and farming combined.
     42. The wallflower is so called because its weak stems often grow on walls and along stony cliffs for support.
     43. It is the interaction between people, rather than the events that occur in their lives, that is the main focus of social psychology.
     44. No social crusade aroused Elizabeth Williams’ enthusiasm more than the expansion of educational facilities for immigrants to the United States.
     45. Quails typically have short rounded wings that enable them to spring into full flight instantly when disturbed in their hiding places.
     46. According to anthropologists, the earliest ancestors of humans that stood upright resembled 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 of society brought about by science and technology.
     49. Children with parents whose guidance is firm, consistent, and rational are inclined to possess 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.

61. Buyers and sellers should be aware of new developments in
technoloy can and does affect marketing activities.
62. The application of electronic controls made possible by the
microprocessor and computer storage have multiplied the uses of the
modern typewriter.
    
63. The human skeleton consists of more than two hundred bones
bound together by tough and relatively inelastic connective tissues
called ligaments.
   
64. The pigmentation of a pearl is influenced by the type of
oyster in which it develops and by the depth, temperature, and the
salt content of the water in which the oyster lives.
    
65. Although mockingbirds superbly mimic the songs and calls of
many birds, they can nonetheless be quickly identified as
mockingbirds by certain aural clues.
   
66. Not only can walking fish live out of water, but they can
also travel short distances over land.
    
67. Scientists do not know why dinosaurs became extinct, but some
theories postulate that changers in geography, climate, and sea
levels were responsible.
    
68. The science of horticulture, in which the primary concerns
are maximum yield and superior quality, utilizes information derived
from other sciences.
   
69. Snow aids farmers by keeping heart in the lower ground
levels, thereby saving the seeds from freezing.
   


91. Arid regions in the southwestern United States have become increasingly inviting playgrounds for the growing number of recreation seekers who own vehicles such as motorcycles or powered trail bikes and indulge in hill-climbing contests or in caving new trails in the desert.
     92. Stone does decay, and so tools of long ago have remained when even the bones of the man who made them have disappeared without trace.
     93. Insects would make it impossible for us to live in the world; they would devour all our crops and kill our flocks and herds, if it were not for the protection we get from insect-eating animals.
     94. It is true that during their explorations they often faced difficulties and dangers of the most perilous nature, equipped in a manner which would make a modern climber shudder at the thought, but they did not go out of their way to court such excitement.
     95. There is only one difference between an old man and a young one: the young man has a glorious future before him and old one has a splendid future behind him: and maybe that is where the rub is.
     96. I find young people exciting. They have an air of freedom, and they have not a dreary commitment to mean ambitions or love comfort. They are not anxious social climbers, and they have no devotion to material things.
     97. I am always amazed when I hear people saying that sport creates goodwill between the nations, and that if only the common peoples of the world could meet one another at football or cricket, they would have no inclination to meet on the battlefield.
     98. It is impossible to say simply for the fun and exercise: as soon as the question of prestige arises, as soon as you feel that you and some larger unit will be disgraced if you lose, the most savage combative instincts are around.
     99. It has been found that certain bats emit squeaks and by receiving the echoes, they can locate and steer clear of obstacles------or locate flying insects on which they feed. This echo-location in bats is often compared with radar, the principle of which is similar.
     100. As the time and cost of making a clip drop to a few days and a few hundred dollars, engineers may soon be free to let their imaginations soar without being penalized by expensive failure.