Examlex
A preparation that "teaches" the immune system to recognize a disease-causing agent without actually causing disease is termed a(n)
Export
Products or services traded or sold from one nation to another.
Consumer Surplus
The gap between the price consumers are prepared to pay for a product or service and the amount they end up spending.
Autarky
A situation where a country is self-sufficient and does not engage in international trade.
Trade
The act of buying, selling, or exchanging goods and services between people or countries.
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