The great rift valley in the sub saharan is known for its

The Great Rift Valley is a name given to the continuous geographic trench, approximately 6,000 kilometers (3,700 mi) in length, that runs from Lebanon's Beqa Valley in Asia to Mozambique in South Eastern Africa so there you have it

You not be doing this in a quiz. if you actually studied your work you would know the answer. the answer though is that they would use gdp per capita because it measures a smaller portion (person). this could show individual growth per person in the country.