Minerals are Select one: a. used as currency or made to look like currency. b. sold as jewelry for most countries. c. non-reflective in light as polished metal. d. natural, usually inorganic solids that have a characteristic chemical composition, an orderly internal structure, and a characteristic set of physical properties.

Which barrier to economic development is shown in the following examples? i. the high rate of hiv infection in underdeveloped nations ii. the use of children as soldiers in uganda’s army in the early 2000s iii. low literacy rates in underdeveloped nations with limited exposure to adequate education a. foreign debt b. political instability c. widespread disease d. low levels of social welfare