WA Vocabulary Flashcards
All societies must address the problems that resources are limited and needs and wants are unlimited.
Scarcity
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
Interdependence
A process in which people exchange goods without contacting each other directly.
Silent barter
A process in which people exchange goods without contacting each other directly.
Sahara
A zone of semi desert, south of the Sahara, where short grasses, small bushes, and a few trees grow
Sahel
A vegetation zone of tall grasses and scattered trees, with a long rainy season
Savanna
the longest river in West Africa, and a kind of trading highway in early times
Niger River