61. Buyers and sellers should be aware of new developments in technology can and does affect marketing activities.
- J( D. \! p6 P+ | 62. The application of electronic controls made possible by the microprocessor and computer storage have multiplied the uses of the modern typewriter.
U" L% \; @( `0 b* A 63. The human skeleton consists of more than two hundred bones bound together by tough and relatively inelastic connective tissues called ligaments.
! N- w- I* A: }1 `, P 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. C$ T: s' H: o
65. Although mockingbirds superbly mimic the songs and calls of many birds, they can nonetheless be quickly identified as mockingbirds by certain aural clues.) ]' E% K9 x: }( d7 Q8 a0 x+ ~0 |
66. Not only can walking fish live out of water, but they can also travel short distances over land.: h B1 l& F+ ?) X! v! q
67. Scientists do not know why dinosaurs became extinct, but some theories postulate that changers in geography, climate, and sea levels were responsible./ ?6 j- `, [. l0 `, V5 w* i. F4 \
68. The science of horticulture, in which the primary concerns are maximum yield and superior quality, utilizes information derived from other sciences.- [' B0 }3 `) S4 o
69. Snow aids farmers by keeping heart in the lower ground levels, thereby saving the seeds from freezing.% q% j, E h! o4 U8 K
70. Even though the precise qualities of hero in literary words may vary over time, the basic exemplary function of the hero seems to remain constant." ^; Q" f) `0 H/ ~ u, C |
71. People in prehistoric times created paints by grinding materials such as plants and clay into power and then adding water.; m& f; y+ o2 }1 W$ k8 U
72. Often very annoying weeds, goldenrods crowd out less hardy plants and act as hosts to many insect pests.
" E7 e# Z9 H5 H: S0 N( w1 k; z 73. Starting around 7000 B.C., and for the next four thousand years, much of the Northern Hemisphere experienced temperatures warmer than at present.
$ @$ j8 V0 W% D* v0 f- @ 74. When Henry Ford first sought financial backing for making cars, the very notion of farmers and clerks owning automobiles was considered ridiculous.* P' N; | D, s: t8 t; ^1 p
75. Though once quite large, the population of the bald eagle across North America has drastically declined in the past forty years.2 K$ `4 c0 [5 j5 C! K8 Q& }1 q+ _- J
76. The beaver chews down trees to get food and material with which to build its home./ _( N: H4 h8 f& q
77. Poodles were once used as retrievers in duck hunting, but the American Kennel Club does not consider them sporting dogs because they are now primarily kept as pets.
" y. |- _7 ~2 w 78. As a result of what is now know in physics and chemistry, scientists have been able to make important discoveries in biology and medicine.
/ z3 I3 H8 F) t: f1 S( ` 79. The practice of making excellent films based on rather obscure novels has been going on so long in the United States as to constitute a tradition.
$ z) I) c7 L: C) C6 y. I 80. Since the consumer considers the best fruit to be that which is the most attractive, the grower must provide products that satisfy the discerning eye. |