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The absolute Galois group of the real numbers is a cyclic group of order 2 generated by complex conjugation, since C is the separable closure of R and [C:R] = 2.. In mathematics, the absolute Galois group G K of a field K is the Galois group of K sep over K, where K sep is a separable closure of K.
According to the Renewable Fuels Association, as of 30 October 2007, 131 grain ethanol bio-refineries in the U.S. have the capacity to produce 7 × 10 ^ 9 US gal (26,000,000 m 3) of ethanol per year. An additional 72 construction projects underway (in the U.S.) can add 6.4 billion US gallons (24,000,000 m 3) of new capacity in the next 18 ...