Why are prices described as a no-cost alternative when allocating scarce resources?

This word for a bug or malfunction was popularized in the 1962 book into orbit by the mercury astronauts

To obtain a microcredit loan, a person typically must a. be a male and have a source of income b. provide collateral and sign paperwork c. verbally promise to pay back the money d. have a good credit history select the best answer from the choices provided. a b c d

Which area is it likely to find the most population in an urban areaa rural area a suburban area