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Lesson #1 (pp. 239-243)

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

manufacturing   making goods, especially by machinery, on a large scale  
gross national product   the total value of a nation's goods and services produced and sold in a single year  
reserves   supply, such as oil, that is available in the ground  
subsistence farm   farm on which crops are grown chiefly for home use and whose crops are needed for the farm family's survival  
erosion   wearing away of the earth's surface by wind, ice, running water, or waves  
commercial farm   farm on which crops are raised for sale rather than for home use  


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Created by: kathykretchmer