The Nile river is about 6,650 km long and is considered an international river as its drainage basin covers the eleven countries named above. Several of these eleven countries depend almost completely on the Nile as their source of freshwater. Over 300 million people rely on the waters of the River Nile, which contains over 10% of Africa’s landmass.
<em> the process of pasteurization was invented by French scientist</em><u><em> Louis Pasteur </em></u><em>during the nineteenth century. In 1864 Pasteur discovered that heating beer and wine was enough to kill most of the bacteria that caused spoilage, preventing these beverages from turning sour.</em>
