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269
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Bluegrass musician Bill Monroe,whose repertory, views on musical collaboration, and vocal style were influential on generations of bluegrass artists,was also an inspiration to many musicians, that included Elvis Presley and Jerry Garcia, whose music differed significantly from his own.
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270
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In many of the world`s regions, increasing pressure on water resources has resulted both from expanding development, changes in climate, and from pollution, so that the future supply in some of the more arid areas is a concern going forward.
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271
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The computer company`s present troubles are a result of technological stagnation, marketing missteps, and managerial blunders so that several attempts to revise corporate strategies have failed to correct it.
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272
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The root systems of most flowing perennials either become too crowded, which results in loss in vigor, and spread too far outward, producing a bare center.
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273
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In theory, international civil servants at the United Nations are prohibited from continuing to draw salaries from their own governments; in practice, however, some governments merely substitute living allowances for their employees' paychecks, assigned by them to the United Nations.
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274
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Industry analysts said that the recent rise in fuel prices may be an early signal of the possibility of gasoline and heating oil prices staying higher than usually through the end of the year.
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275
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The Anasazi settlements at Chaco Canyon were built on a spectacular scale, with more than 75 carefully engineered structures, of up to 600 rooms each, were connected by a complex regional system of roads.
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276
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Even though the overall consumer price index did not change in April, indicating the absence of any general inflation or deflation, prices in several categories of merchandise have fallen over the last several months.
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277
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Despite Japan`s relative isolation from world trade at the time, the prolonged peace during the Tokugawa shogunate produced an almost explosive expansion of commerce.
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278
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Government officials announced that restrictions on the use of water would continue because no appreciative increase in the level of the river resulted from the intermittent showers that had fallen throughout the area the day before.
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279
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According to United States census data, while there was about one-third of mothers with young children working outside the home in 1975, in 2000, almost two-thirds of those mothers were employed outside the home.
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280
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Clouds are formed from the evaporation of the oceans' water that is warmed by the Sun and rises high into the atmosphere, condensing in tiny droplets on minute particles of dust.
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281
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Schistosomiasis, a disease caused by a parasitic worm, is prevalent in hot, humid climates, and it has become more widespread as irrigation projects have enlarged the habitat of the freshwater snails that are the parasite`s hosts for part of its life cycle.
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282
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Sor Juana Inés de la Cruz was making the case for women`s equality long before the cause had a name: Born in the mid-seventeenth century in San Miguel Nepantla, Mexico, the convent was the perfect environment for Sor Juana to pursue intellectual pursuits, achieving renown as a mathematician, poet, philosopher, and playwright.
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283
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By devising an instrument made from a rod, wire, and lead balls, and employing uncommonly precise measurements, in 1797–1798 Henry Cavendish`s apparatus enabled him to arrive at an astonishingly accurate figure for the weight of the earth.
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284
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The growth projected for these storms in different computerized weather models varies widely.
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285
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By using a process called echolocation to analyze the echoes of the high-pitched sounds they produce, bats can determine not only the distance to an object, but they also can determine its shape and size and the direction in which it is moving.
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286
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Carbon dioxide, which traps heat in the atmosphere and helps regulate the planet`s surface temperature, is constantly being exchanged between the atmosphere on the one hand and the oceans and terrestrial plants on the other.
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287
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Floating in the waters of the equatorial Pacific, an array of buoys collects and transmits data on long-term interactions between the ocean and the atmosphere, interactions that affect global climate.
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288
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Sixty-five million years ago, according to some scientists, an asteroid bigger than Mount Everest slammed into North America, which, causing plant and animal extinctions, marks the end of the geologic era known as the Cretaceous Period.
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