| A | B |
|---|
| plateau | a raised area of relatively flat land |
| Great Rift Valley | broad, steep-walled valley that stretches from the Red Sea to Mozambique |
| Sahel | a semiarid region south of the Sahara |
| desertification | a process by which a desert spreads (caused by lack of rain, causing lack of plants, overgrazing and overuse of land for farming) |
| drought | lack of rain |
| savannas | found in both semiarid and tropical areas, are flat grasslands with scattered trees and shrubs |
| nonrenewable resource | cannot be replaced, or can only be replaced over millions of years (ex. copper, diamonds) |
| renewable resource | can be used and replaced over a relatively short time period (ex. trees, cocoa beans, cashew nuts, peanuts, vanilla beans, coffee, bananas, rubber, sugar, tea) |
| paleontologists | scientists who study fossils |
| Bantu migration | started around 1000 BC, lasting for 2000 years, the gradual spreading of the Bantu across Africa |
| Mansu Musa | ruled Mali from about 1312 to 1332 and spread interest about Mali |
| missionary | is a person who goes to another country to do religious and social work, wanting to convert Africans to Christianity |
| Hutu | the ethnic majority of Rwanda-Burundi |
| Tutsi | the minority of Rwanda-Burundi, anyone owning more than 10 cows, were educated and had jobs. After a civil war the Tutsi were victorious |
| racism | the unfounded belief that one race is inferior to another race |
| diversity | variety of cultures and viewpoints |
| apartheid | an official policy of racial separation formerly practiced in South Africa |
