Word: snow
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Dates: during 1980-1989
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...leader in order to be free?" Students are permitted to answer only if they have actually read the selection. Each selection is supposed to be read twice, and answers must be based only on specific evidence from the text. Nobody can get away with the kind of book review snow jobs that everyone remembers, such as "really exciting" or "kind of boring...
...warms up, the newly acquired heat influences the direction of the jet stream. Other scientists are not so sure. Climatologist Stephen Schneider of the National Center for Atmospheric Research in Boulder, Colo., points out that any number of factors could influence air flows, including solar flares, clouds of dust, snow on the ground and even the rising level of carbon dioxide in the atmosphere. Adds the Weather Service's Gilman: "The westerlies behave very much like the 'average' man-there are always some abnormalities...
...good ones at least, pa somewhat like doctors: several examining the same patient may arrive at different diagnoses. Experience and savvy count-knowing, for example, when a minor geographical shift of a pressure system might make the difference between a drenching rain and a couple of feet of snow...
...Keith Spalding, president of Franklin and Marshall College, points out, "very few private colleges depreciate their buildings. It is tempting to balance the budget by failing to fix the roof." Case in point: last year the University of New Hampshire neglected a leaky roof. Because of whiter snow seepage, not only the roof but ceilings and interior walls needed repair...
...nitrogen oxides from car exhausts and industry contribute to the problem. Rising high into the sky and borne hundreds of miles by winds, these chemicals mix and react with water vapor to form sulfuric and nitric acids. The acids then fall to earth in the form of rain or snow that can damage anything from monuments to living organisms. After a number of such rain showers or highly acidic snow melts, a lake's pH* can plunge low enough to impair the egg-producing ability of fish. Decomposition of organic matter slows, probably because of a loss of scavenging...