âFading occurs when any chemical process breaks the sequence of conjugated double bonds constituting the chromophore - the dye moiety that imparts colour.â âSome other dye systems are based on the chromophores triphenylmethane, xanthene, anthroquinone, indigo, and phthalocyanine.â
El Paso (/Él ËpÃ¦soÊ/ ell PASS-oh; from Spanish, the pass) is the seat of El Paso County, Texas, United States. The city is situated in the far western corner of the U.S. state of Texas.
El Paso is at 31Â°47â²25â³N 106Â°25â²24â³Wï»¿ / ï»¿31.79028Â°N 106.42333Â°Wï»¿ / 31.79028; -106.42333 (31.790208, â106.423242). It lies at the intersection of three states (Texas, New Mexico, and Chihuahua) and two countries (the US and Mexico).