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Vocab Lesson 18
Sub-Saharan Africa
| Term | Definition |
|---|---|
| Sahel | semiarid grassland that separates the Sahara from the tropical grasslands |
| Savannas | tropical grasslands |
| desertification | land changing to desert |
| dormant | inactive |
| great rift valley | part of a chain of valleys that stretch from southwest Asia to southern Africa |
| deforestation | cutting down all of the trees in an area |