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Figure 21.1
Use the diagram above to answer the following questions.
-Identify the letter that indicates a vessel that carries deoxygenated blood away from peripheral tissues.
Economic Significance
The importance or impact of an economic activity or phenomenon in terms of its effects on the overall economy, such as employment levels or GDP.
Exchange
The act of trading goods, services, currencies, or other items of value between parties.
Comparative Advantage
The ability of an individual or country to produce a good or service at a lower opportunity cost than competitors.
Production Possibilities Curve
A graph that shows the combinations of two goods that an economy can produce using all its resources efficiently.
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