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Economics
| Term | Definition |
|---|---|
| scarcity | when something is difficult to get or find |
| demand | the number of people who want or need something |
| seller | a person who takes money or other items in exchange for things he or she wants or needs |
| economics | the study of how people use money, goods or services |
| supply | the amount of something that is available |
| currency | a country's system of money |
| exchange | to trade or give up one item for another item |
| buyer | a person who gives money or trades item for things he or she wants or needs |