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.
Education is also a driving force in El Paso's economy. El Paso's three large school districts are among the largest employers in the area, employing more than 19,000 people between them. The University of Texas at El Paso (UTEP) has an annual budget of nearly $250 million and employs nearly 3,600 people.