Major airlines require more flight hours and experience from pilots than that demanded by commuter and regional airlines. As of 2012, the salary range for regional airline pilots was $16,500 to $60,000, according to AvScholars, an organization that guides would-be aviators in education and career.fter gaining experience by accumulating flight hours, first officers may become captains, who earn an annual average of $55,000. If a captain is taken on by a major airline, it is usually to the position of first officer or flight engineer. Once promoted back to captain, the average annual salary is about $135,000.
The burning of gasoline is a chemical change. The evaporation of gasoline is a physical change. This is a physical change because it is a change in state of matter (from liquid to gas). 4 people found this useful.
Like other hydrocarbons, gasoline burns in a limited range of its vapor phase and, coupled with its volatility, this makes leaks highly dangerous when sources of ignition are present. Gasoline has a lower explosive limit of 1.4% by volume and an upper explosive limit of 7.6%.