Examlex
Layers that transmit groundwater are called
Money
A medium of exchange, a unit of account, and a store of value, used to facilitate the sale, purchase, or trade of goods and services.
Zero-Sum Game
A situation in economic theory where one participant's gains result entirely from another participant's equivalent losses.
Exploitation
The act of using someone or something unfairly for one's own advantage, often without proper compensation.
Barter
The direct exchange of goods or services for other goods or services without the use of money.
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