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Martha McClintock found that the menstrual cycles of female college roommates became synchronous after 6 months of living together. She also found that armpit odors from one group of women affected the menstrual cycles of other women who sniffed the odors. These findings might indicate that:
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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