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.
In its first three years, the Obama administration deported record-high numbers of undocumented immigrants, removing about 1.2 million undocumented immigrants. Critics believe that record stands in stark contrast to Obama's promise as a presidential candidate in 2008 to promote immigration reform: