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After being on an antibiotic for an extended period, your doctor checks various nutrient levels in your blood.Not surprisingly, your levels of _______ are low, which would explain why you have been bruising easily lately.Your doctor recommends that you start adding _______ to your diet.
National Income
The total amount of money earned within a country from production and services over a specific time period.
Opportunity Cost
Dismissing potential benefits from other possible choices by focusing on one.
Scarce Resources
Natural or human resources that are limited in supply and cannot fulfill all wants and needs due to their finite availability.
Free Lunch
An idiom expressing the idea that it is impossible to get something for nothing; in economics, it refers to the impossibility of getting a benefit without a cost.
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