Examlex
What is the approximate mass of a carbon atom in atomic mass units (amu) ? How about a carbon dioxide molecule?
Telephone Lines
Telephone lines refer to the traditional telecommunication wire or fiber cable infrastructure used to connect phone calls over distances.
High-Income Countries
Nations characterized by high gross national income per capita, advanced economic infrastructure, and a high standard of living.
Birth Rates
The number of live births per thousand people in a population over a given period of time, reflecting the rate at which new individuals are added to the population.
Low-Income Countries
Nations with a gross national income (GNI) per capita significantly lower than that of higher-income countries.
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