| A | B |
|---|
| Escarpment | Steep Cliffs |
| Cataract | Large waterfalls or rapids |
| Tropics | Area between the Tropic of Cancer and the Tropic of Capricorn |
| Leaching | Soil with no nutrients left in it |
| Drought | Long period of little to no rain |
| Desertification | Turning semidesert land to desert |
| Lineage | A group of distant kin/ family who have common ancestors |
| Consensus | Common agreement |
| Subsistence Farmer | Produce enough to survive with little or no surplus |
| Polygamy | More than one spouse |
| Age Grade | All people born in the same year |
| Abolition | Movement to end slavery |
| Diaspora | Scattering of people |
| Elite | small group of people with high status |
| Aparthied | Rigid separation of race |
