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Who first proved that light is a wave?
Trade
Trade involves the exchange of goods, services, or both between parties, which can be at the domestic or international level, fostering economic interaction and integration.
Opportunity Cost
The potential benefits an individual, investor, or business misses out on when choosing one alternative over another.
Export
A good or service produced in one country and sold to buyers in another country, contributing to the selling country's gross domestic product.
Cheese
A dairy product derived from milk and produced in a wide range of flavors, textures, and forms by coagulating the milk protein casein.
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