| Term | Definition |
| Plateau | A larger,raised area of mostly level land |
| tributary | A larger river can be fed, which is a small river or stream that flows into it (nile river) |
| fertile | many plants can be grown in soil |
| irrigate | artifically water their crops |
| diversify | to add variety to their economies |
| The Continent of Africa is often called | a plateau |
| 4 major rivers in Africa | Nile, Congo, Zambezi, and the Niger |
| Cataracts | make it impossible for ships to sail from Africa's interior to the Sea . |
| Climate | is effected by Africa's ELEVATION and Relationship to large bodies of water and landforms effects |
| Savanna | area of land supports tall grasses, thorny bushes and scattered trees |
| Nomads | made their living traveling to find water and food for their herds |
| Subsistence Farming | 3/5 of Africa farmland is used for this |
| farming | is a major part of Africa's economy |
| Why is Africa countries diversifying their economy | to protect the workers against economic hardships ( poverty) |
| How does the Nile river effect life in Africa | The land surrounding the Nile River is fertile farmland |
| The four geographic areas of Africa | North, West, East, Central and Southern. |
| silt | bits of rock and dirt on river bottoms |
| rift | A deep trench |
| the Sahara | Extends over most of North Africa |
| Africa's most important natural resources are | crops, minerals, and timber |