[ 311 ] Geography and the World GED ® TEST SOCIAL STUDIES FLASH REVIEW • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • Fill in the blank with the correct term. The edges of African plateaus are marked by steep, jagged cliffs called ___________. a. cataracts b. escarpments c. estuaries d. kums Fill in the blank with the correct term. South Africa has about half the world’s ___________. a. rice b. gold, diamonds, and uranium c. spices d. bat guano Fill in the blank with the correct term. Large parts of Africa south of the Sahara currently face ___________. a. drought, famine, lack of clean water, inadequate sanitation, and epidemic disease b. corruption, civil war, and human rights violations c. drought, famine, lack of clean water, inadequate sanitation, epidemic disease, corruption, civil war, and human rights violations d. tsunamis