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If children cannot grasp the principle of conservation,they are unable to
Opportunity Cost
The value of the best alternative that must be forgone as a result of choosing a particular action or decision.
Law of Comparative Advantage
An economic principle stating that countries or individuals gain when they produce goods and services for which they have lower opportunity costs relative to others.
Low Opportunity Cost
A situation where the cost of forgoing the next best alternative is relatively minimal.
Productive Activity
An action or process that leads to the creation of goods or services which have value and contribute to the economy.
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