Word: threefold
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...proportion to the strength of the electromagnetic field. Children with constant exposure to the weakest fields, calculated at less than 1 milligauss (about the same that a coffee maker generates when it is brewing), had the lowest incidence of cancer. Those exposed to fields of 2 milligauss showed a threefold increase in their risk, while children exposed to 3 milligauss showed a fourfold increase in the risk of leukemia. Such a clear progression makes it difficult to argue that factors other than exposure to the electromagnetic field were responsible for the extra cases of leukemia...
...International Labor Organization has estimated that the informal sector employs 59% of sub-Saharan Africa's urban labor force. If this sector is included, the size of Zaire's economy increases threefold. In many respects Africa is ahead of the former Soviet Union and Eastern Europe when it comes to free markets and regional economic ties...
...reason is threefold. First, a plethora of Washington conservatives hope for distraction issues -- anything that will take voters' minds off the domestic economy -- and see in the campaign for moral restrictions on the NEA a rich source of cheap shots against "liberal" culture...
...have been severely depleted each spring for several years. Populations of marine organisms are not shrinking so far, but they have begun to produce UV-absorbing pigments. In Australia, scientists believe that crops of wheat, sorghum and peas have been affected, and health officials report a threefold rise in skin cancers. There are anecdotal reports of more cancer in Argentina too. While no increase in cancers or cataracts has shown up yet in Chile or New Zealand, experts note that these diseases can take years to develop...
...case that crystallized church-state separation doctrine, Lemon v. Kurtzman, came in 1971, when the court struck down Pennsylvania and Rhode Island laws that set subsidies for the salaries of parochial school teachers. Referring to earlier cases, the Justices proposed a threefold test to determine the permissibility of government activities that touched the religious realm. First, state action must have a secular purpose. Second, the primary effect of the action must neither advance nor inhibit religion. And finally, there should be no "excessive entanglement" between church and state...