Alps rivers such as the Danube have major tributaries flowing into them that originate in the Alps. The Rhône is second to the Nile as a freshwater source to the Mediterranean Sea; the river begins as glacial meltwater, flows into Lake Geneva, and from there to France where one of its uses is to cool nuclear power plants. The Rhine originates in a 30 square kilometre area in Switzerland and represents almost 60 percent of water exported from the country. Tributary valleys, some of which are complicated, channel water to the main valleys which can experience flooding during the snow melt
Miles of Marseilles Miles of Marseilles Miles of Marseilles was a Provençal-Jewish physician and philosopher of the Middle Ages. He was born at Marseille around 1294. In some manuscripts he is designated by the name "Bongodos," the Provençal language equivalent of "ben Judah." From early youth he devoted himself to the study of science and philosophy. While still young he left his native place for Salon-de-Provence, where he studied astronomy under the direction of Abba Mari Senior Astruc de Noves. In 1322 he is met with at Beaucaire as a prisoner together with other Jews in the tower of Rodorte. Later he sojourned