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10 terms

unit 9 vocabulary

STUDY
PLAY
water polution
introduction of unwanted agents into water that lower its quality
desertification
the gradual transformation of habitable land into desert
sub saharan africa
The region south of the Sahara Desert in Africa; includes some of the world's richest deposits of minerals, yet still remains one of the largest regions of undeveloped natural resources in the world.
desertification
the gradual transformation of habitable land into desert
sahel
a strip of land that divides the desert from wetter areas
rainforest
a forest with heavy annual rainfall
specialization
the special line of work you have adopted as your career
human capital
the skills and knowledge gained by a worker through education and experience
entrepreneurship
the process of getting into and operating one's own business
economic development
The improvement of living standards by economic growth.