By fermentation, the yeast species Saccharomyces cerevisiae converts carbohydrates to carbon dioxide and alcohols â for thousands of years the carbon dioxide has been used in baking and the alcohol in alcoholic beverages.
In a memo last September, President Obama said the United States would admit up to 70,000 refugees to the United States during Fiscal Year 2015, as justified by humanitarian concerns or the national interest. The number breaks down as follows: Africa................................17,000.
Major refugee admissions occurred outside the national origins quota system during the 1950s. The Refugee Relief Act (RRA) of August 7, 1953, and the amendments of August 1954, authorized the admission of 214,000 refugees from war-torn Europe and escapees from Communist-dominated countries.