What is South Africa’s biggest economic challenge? A. It has few natural resources. B. Its economy is too dependent on the service industries and not enough on mining. C. Its history of apartheid has resulted in high poverty rates among its black population. D. It has to import too much of its oil.

What is the main difference between primary and secondary sources? a. primary sources are historical documents, and secondary sources are modern-day documents. b. primary sources are derived from museums and archives, and secondary sources are created by history students and academics. c. primary sources are found in ancient places with a rich history, and secondary sources are found in historical journals and blogs. d. primary sources are created during a particular historical era, and secondary sources are created by studying primary sources.