__________ is a combination of an individual's occupation, income, and education level

California's most important resource is

a. gold b. copper. c. soils. d. water.

Which of the following is often cited as a cause for poverty in the developing world?

a. the vagaries of geography and demography b. overdependence on the export of raw materials such as coffee, tea, rubber, or copper, whose prices fluctuate more unpredictably than processed goods c. the carryover effect of the colonial period by the Europeans d. all of these