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…unsuitable in covering vast areas with vaults, domes and walls. The most significant of advancements is the invention of concrete (opus caementicum), which was created by mixing pazzolana: a strong volcanic material found in extensive beds at Pozzuoli near Naples…

…conditions are met for such a thing to happen. <Tab/>Climate Change happens naturally. Some factors that contribute to the earth's climate change in the past deal with volcanic activity, continental drift, ocean heat exchange and atmospheric…

…naturally (by bacterial and volcanic action and lightning) far outweigh man-made emissions. Man-made emissions are mainly due to fossil fuel combustion from both stationary sources, for example power generation (24%), and mobile sources, such as transportation…

…, glasslike volcanic rock - semiprecious stones from Anatolia, turquoise from the Sinai, and cowrie shells from the Red Sea. The ruins excavated at Jericho indicate that the city was governed by a distinct and quite powerful ruling group, which was probably allied…

…, 1992. The Los Angeles Riots were erupting below us. We had begun to get reports of scattered violence shortly after we had watched on television the barbaric video tape of motorists being ripped out of their cars, hammered, pounded and chased by rock…

…. In 1908-1909 there was a prolonged crisis in the Balkans; an incident had erupted over the annexation by Austria-Hungary of the Ottoman Empire provinces of Bosnia-Herzegovina a territory coveted by Serbia. Germany was in the background offering support…

…Introduction There were many events and disagreements that led to the American War of Independence. The war erupted only twelve years after the Seven Years' War and many problems can be linked to this war which had left Britain's economy severely…

…, Frederick. Secret Formula. New York, New York: HarperCollins, 1994. Chakravarty, Subrata N. “How Pepsi Broke into India.” Forbes 27 November 1989: 43-4 Murphy, Helen. “Cola War Erupts in Mexico.” Corporate Finance, May 1993: 6-7 “Coke vs. Pepsi.” The Economist…

…champions. All number nine could think about was getting back in there and continuing his performance. He sat there for what seemed like an eternity icing his ankle to control the swelling. But the pain momentarily stopped, the crowd erupted suddenly…

…, Philippines, when Mt Pinatubo erupted. It was 9:00 in the morning, and my Aunt asked me to go to the store to get some groceries. On that morning, it was raining heavily, and the city appeared as though it was midnight. It was completely dark because the power…