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Which part of the sperm contains ATP-producing mitochondria?
Urban Society
A society characteristic of modern cities with a complex social structure and advanced infrastructure.
Infant Mortality
The death of young children under the age of 1, a critical health metric often used to assess the overall health and well-being of populations.
Middle-Class Americans
A socioeconomic group in the United States typically characterized by moderate income levels, employment stability, and access to a certain level of comfort and amenities.
Business Cycle
The fluctuations in economic activity that an economy experiences over a period of time, marked by periods of expansion and recession.
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