A teenager from Passaic County missing since he apparently ran away from a religious school more than two months ago, has been tracked to neighborhoods in Brooklyn, authorities said Wednesday. Veleriy “Nazeem” Atajamov, 15, of Clifton, was last seen fleeing Clifton Blue Mosque on April 28 “for what is believed to be disciplinary reasons,” Clifton police said in a statement. “Since that time, numerous agencies have been searching for his whereabouts — however, to no avail,” the statement said. “He has been tracked to Brooklyn during the past several weeks and is believed to still be in that are…