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.
But after the attacks on Sept. 11, 2001, the number of refugees allowed into the United States slowed sharply, dropping to 27,131 in 2002. The numbers have risen steadily since then and last year amounted to 69,987 â just below a cap of 70,000. Most refugees need at least a year and sometimes two to navigate the system.