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Why is chemistry described as the "central science"?
United States
A country in North America consisting of 50 states, a federal district, and several territories, known for its significant influence on global affairs.
Soviet Union
A former federal socialist state in Eastern Europe and Asia, existing from 1922 to 1991, officially known as the Union of Soviet Socialist Republics (USSR), which was composed of multiple republics.
Shiite Arabs
Members of the Shia Islam branch primarily located in the Middle East, with significant communities among Arab populations.
Sunni Arabs
A major religious and ethnic group within Islam, primarily in the Arab world, distinguished by their adherence to the Sunni branch of Islam.
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