Acids in wine responsible for the sour taste of vinegar. During fermentation, activity by yeast cells naturally produces a small amount of acetic acid. If the wine is exposed to oxygen, "Acetobacter" bacteria will convert the ethanol into acetic acid. This process is known as the “acetification” of wine and is the primary process behind wine degradation into vinegar. An excessive amount of acetic acid is also considered a wine fault. A taster's sensitivity to acetic acid will vary, but most people can detect excessive amounts at around 600 mg/l. Ascorbic acid, also known as vitamin C, is found in young wine grapes
French language in Algeria in the fourth grade in the primary cycle, from the end of the 1970s to the early 1990s. In September 1993 the Ministry of Primary and Secondary Education made French and English two separate choices for the first mandatory foreign language; students were required to pick one over the other; the great majority of students selected French as their first mandatory foreign language. Opponents of French-Arabic bilingualism in Algeria argued that French was a colonialist and imperialist language. A report for the High Council of Francophonie in Paris stated in 1986 that in Algeria, 150,000 people spoke French as a