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afica

QuestionAnswer
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 large, hot desert in North Africa that covers about 3.5 million square miles 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
Created by: user-1854775
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