Examlex
The surface magnetic field of the Sun is found by measurement of the extra width in spectrallines due to the ________ Effect.
National Security
The protection and preservation of a nation's people, economy, and institutions from external and internal threats.
National Security
The policies and measures that a nation undertakes to protect its citizens, economy, and institutions against external threats or aggression.
Tariffs
Taxes imposed on imported goods, often to protect domestic industries.
Tariff
A government levy placed on goods that are imported or exported.
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