WA Vocab Word Scramble
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| Term | Definition |
| scarcity | all societies must address the problems that resources are limited and needs and wants are unlimited. |
| interdependence | because we live on one planet and cannot satisfy all of our own needs, we depend on others for mutually beneficial solutions to common problems |
| silent barter | a process in which people exchange goods without contacting each other directly. |
| Sahara | a large, hot desert in North Africa that covers about 3.5 million square miles |
| Sahel | a zone of semi desert, south of the Sahara, where short grasses, small bushes, and a few trees grow |
| savanna | a vegetation zone of tall grasses and scattered trees, with a long rainy season |
| Niger River | the longest river in West Africa, and a kind of trading highway in early times |
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farmerja-k12
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