Economic Activity (Primary, Secondary, Tertiary, Quaternary, Quinary )
Primary : Involves jobs like lumber and mining. Secondary : Manufacturing products and assembling raw materials. Tertiary : The service sector that provides us with transportation, communication, and utilities. Quaternary : the service sector dedicated to jobs such as trade, insurance, banking, advertising, and wholesaling. Quinary : The service sector dedicated to health, education, research, government, retailing, tourism, and recreation. All of these jobs are necessary in the world.