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14 terms

Africa: Chapter 1 Key Terms

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plateau
a large, level area that rises above the surrounding land; has at least one side with a steep slope
elevation
the height of land above sea level
rift
a deep crack in Earth's surface
tributary
a river or stream that flows into a larger river
fertile
rich in the substances plants need to grow well
irrigate
to supply with water through a ditch, pipe, channel, or sprinkler
drought
a long period of little or no rain
oasis
a fertile place in a desert where there is water and vegetation
savanna
a region of tall grasses with scattered trees
nomad
a person who has no permanent, settled home and who instead moves from place to place
subsistence farming
raising just enough crops to support one's family
cash crop
a crop that is raised for sale
economy
a system for producing, distributing, consuming, and owing goods and services
diversify
to add variety to; to expand a country's economy by increasing the variety of goods produced