Based on your reading of the following passage, which listed career is the most responsible position for which isaac may be qualified? isaac is a high school graduate and also has a college degree in engineering. he is smart and ambitious and has good technical skills. he can operate computers, and has a strong grasp on basic physical sciences. he served in the navy for four years. he does not yet have a spouse or any children. isaac is physically healthy, strong, and has good vision without any significant issues. a rail yard worker a seaman a ship's captain a dispatcher