Examlex
An electron in a K shell of an atom has the principal quantum number:
International Trade
The exchange of goods and services across international borders or territories, involving imports and exports.
U.S. GDP
The total market value of all goods and services produced within the United States over a specific time period.
Total Dollars
Refers to the aggregate amount of currency in various forms within a particular economic context.
Import Tariffs
Taxes imposed by a government on goods imported from other countries to protect domestic industries or to generate revenue.
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