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        | the study of how people use resources; the buying and selling of goods |  | 
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        | the tools and equipment that people use in their work |  | 
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        | What are the four parts of the economy? |  | Definition 
 
        | banks, government, businesses, and households |  | 
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        | things we would like to have but do not need to survive |  | 
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        | things we need in order to survive |  | 
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        | water, food, shelter, and clothing |  | 
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        | things that are produced or made |  | 
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        | an activity that people do for others |  | 
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        | Cars, houses, bread, toys |  | 
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        | teaching, cleaning houses, cutting hair, nurses helping patients |  | 
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        | when there aren't enough good or services |  | 
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        | people who make goods or provide services |  | 
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        | people who spend money to buy the things they need or want |  | 
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        | the need or desire that people have for a product or service |  | 
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        | amount of product or service to be sold |  | 
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        | what you give up to make an economic choice |  | 
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        | to trade by exchanging goods or services |  | 
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        | depending on others to help produce goods or services |  | 
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        | to focus on one area of work or learn a lot about one type of job |  | 
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        | a plan for saving and spending money |  | 
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        | the money a person makes by working |  | 
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        | the earth including its people, resources, climate, and physical features |  | 
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        | places where people keep their money, get loans and other financial services |  | 
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        | free time when you do not need to work or study |  | 
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        | the people who rule a country, state, or city |  | 
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        | households, businesses, government, and banks |  | 
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        | all the people who live together in a house |  | 
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        | companies that make or sell things or provide a service |  | 
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        | a business providing tours of places or a business that provides the service of traveling |  | 
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        | the money left over after a product is sold and the costs of making it are paid |  | 
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