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240
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Because of the erratic pattern of sales increases this year, retailers and analysts hesitate to predict five-year trends in retail sales during the months that have historically been the most profitable.
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241
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Desertification, a process in which the biological productivity of the land is sharply degraded by human abuse and natural phenomena, helped cause the famines that have killed hundreds of thousands in recent years.
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242
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Like Darwin and his fruitful voyage on the Beagle, Banks's trip with Captain Cook on the Endeavour inspired and shaped his remarkable career in natural science.
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243
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In the United States one of the earliest challengers of the economic principle of free trade was Alexander Hamilton, who in 1791 advocated government policies that would encourage indigenous manufacturing and to protect it from competition from British exports.
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244
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Developed by Pennsylvania's Palatine Germans about 1750, they made Conestoga wagons with high wheels capable of crossing rutted roads, muddy flats, and the nonroads of the prairie and they had a floor curved upward on either end so as to prevent cargo from shifting on steep grades.
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245
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When more and more factories move out of the cities each year, manufacturing jobs, historically the first step into the job market for the urban poor, have become fewer and fewer.
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246
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The reason many people consider the Mediterranean island to be ungovernable is because that the inhabitants long ago learned to distrust and neutralize all written laws.
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247
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Proceeding without a definite plan for upcoming labor negotiations, like the firm had agreed to last year, it would surely have proven to be a disaster in the face of the skilled and resolute opposition involved this time.
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248
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The thousands of volcanic islands and coral atolls of the South Seas have a total population of about four million, but the paucity of natural resources does not permit such economic development that would be needed by them to support more population.
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249
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Due to poaching and increased cultivation in their native habitats, researchers have determined that there are fewer than 100 Arabian leopards left in the wild, and thus the leopards are many times as rare as China's giant pandas.
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250
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Because the collagen fibers in skin line up in the direction of tension, surgical cuts made along these so-called Langer`s lines sever fewer fibers and is less likely to leave an unsightly scar.
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251
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The completion in 1925 of the Holland Tunnel, linking Manhattan with New Jersey's highways, which permitted 2,000 cars to pass through each tube every hour and was hailed as the decade's $48 million engineering masterpiece.
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252
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The World Wildlife Fund has declared that global warming, a phenomenon that most scientists agree is caused by human beings' burning of fossil fuels, will create havoc among migratory birds by harming their habitats as a result of altering the environment.
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253
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Tropical bats play an important role in the rain forest ecosystem, aiding in the dispersal of cashew, date, and fig seeds; pollinating banana, breadfruit, and mango trees; and indirectly help the producing of tequila by pollinating agave plants.
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254
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A recent court decision has qualified a 1998 ruling that workers cannot be laid off if they have been given reason to believe that their jobs will be safe, provided that their performance remains satisfactory.
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255
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Of all the record companies involved in early jazz, the three most prominent were Columbia, Victor, and OKeh.
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256
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Since 1992, in an attempt to build up the Atlantic salmon population in each of the seven rivers in which salmon still spawn, state officials in Maine have stocked them with fry raised in hatcheries from eggs produced by wild fish found in that particular river.
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257
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On the tournament roster are listed several tennis students, most all of which play as good as their instructors.
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258
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In 1974 a large area of the surface of Mercury was photographed from varying distances, which revealed a degree of cratering similar to that of the Moon`s.
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259
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The computer company reported strong second-quarter earnings that surpassed Wall Street's estimates and announced the first in a series of price cuts intended to increase sales further.
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