Examlex
The most primitive of the early fishes were the
Exchange
The process of exchanging one item for another, particularly one of similar type or value.
Production Possibilities
The various combinations of goods and services that can be produced within an economy given the available resources and technology.
United States
The United States is a country located in North America, characterized by a federal republic governance structure and a highly developed mixed economy.
Japan
A country located in East Asia, known for its rich culture, technological advancements, and significant contribution to the global economy.
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