Examlex
The electron-volt is a unit of
U.S. Geological Survey
The U.S. Geological Survey is a scientific agency of the United States government that studies the landscape of the U.S., its natural resources, and the natural hazards that threaten it.
United States
A country in North America known for its significant cultural, economic, and political influence globally.
Fertility Rates
The average number of children born to a woman over her lifetime within a specific population.
Industrialized Countries
Nations with significant levels of industrialization, characterized by high standards of living, advanced technological infrastructure, and diverse economic sectors.
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