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test cards

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.

European Union   An organization whose goal is to unite europe so that goods,services,and workers can move freely among member countires  
Heavy Industry   the manufacture of machinery and equipment needed for factories and mines  
Mixed farming   raising several kinds of crops and livestock on the same farm  
State farm   under communism, a state-owned farm managed by goverment officials  
Greenhouse effect   The capacity of certain gases in the atmosphere to trap heat, thereby warming the earth  
Global warming   gradual warming of the earth and its atmosphere that may be caused iun part by pollution and an increase in greenhouse effect  
Permafrost   permently frozen layer of soil beneath the surface of the ground  
Tundra   vast, treeless plains in cold northern climates, characterized by permafrost and small, low plants, such as mosses and shrubs  
Taiga   Russian term for the vast subartic forest, mostly evergreens, that covers much of russia and siberia  
Steppe   wide, grassy plains of Eurasia;also similar climate region elsewhere  


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