Complete the sentence. As ___ increases, specialization increases as well.
A. opportunity cost
B. physical capital
C. voluntary exchange
D. division of labor

Which term describes a possible explanation of, or answer to, a scientific question that is based on prior knowledge or research and that is testable?

Which of the following correctly describes a repurchase agreement? the sale of a security with a commitment to repurchase the same security at a specified future date and a designated price. the sale of a security with a commitment to repurchase the same security at a future date left unspecified, at a designated price. the purchase of a security with a commitment to purchase more of the same security at a specified future date.

Why did the athenians choose officials by lottery? would there be drawbacks to this method? explain.