Multiple Choice
The expression "There's no such thing as a free lunch" means
A) in an exchange, if one person gains, someone else must lose.
B) each person must pay for exactly what he or she receives.
C) the use of resources to meet one need means that those resources can no longer be used to meet another need.
D) in an exchange, if one person gains, someone else must lose and equal amount.
Correct Answer:

Verified
Correct Answer:
Verified
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