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Chapter 9
Lesson #1 (pp. 239-243)
| Word | Definition |
|---|---|
| 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 |