You should spend about 20 minutes on Questions 1-13, which are based on the Reading Passage below. The Nature of Yawning A While fatigue, drowsiness or boredom easily bring on yawns, scientists are discovering there is more to yawning than most people think. Not much is known about why we yawn or if it serves any …
Private Space A It’s a remarkable achievement: the question is no longer ‘How can we send humans into space?’ but ‘How can we keep them there?’. Spaceflight is reaching a turning point where new technologies in engine development, better understanding of aerodynamics and materials for body construction are making spaceflight possible for private industry. B The history …
A Radioactivity occurs naturally. The main source comes from natural sources in space, rocks, soil, water and even the human body itself. This is called background radiation and levels vary from place to place, though the average dose is fairly constant. The radiation which is of most concern is artificial radiation which results from human activities. …
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A. Linkages between the Agri-Food Sector and Tourism offer significant opportunities for the development of both sectors within the region. These linkages could lead to ensuring the sustainability of the region’s tourism product thus ensuring it preservation. Agriculture and tourism — two of Wisconsin’s most industries — are teaming up in southwestern Wisconsin has found …
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