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Wegener's theory of continental drift
Trade
The exchange of goods or services between parties, which could be within an economy or between economies.
Coffee
A brewed drink prepared from roasted coffee beans, which are the seeds of berries from the Coffea plant.
Comparative Advantage
The ability of an individual or group to carry out a particular economic activity more efficiently than another activity.
World Price
The international market price for a product, influenced by global supply and demand.
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