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A substance that is capable of acting as both an acid and as a base is .
Tax System
The structured method by which a government or authority levies taxes on individuals, businesses, and transactions.
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The economic system of the United States, characterized by a mixture of private and public enterprise and known for being one of the world’s largest and most complex economies.
Income
The financial gain received by an individual or entity, typically through wages, profits, rents, or investments.
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The total money received by the government from various sources, including taxes, fees, and other charges.
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