That something unique your business should have which other business do not have

Which of the following best explains how the invention of money affected the barter system? a. the invention of money supplemented the barter system by providing a nonperishable medium of exchange b. the invention of money completely replaced the barter system with a free-market system c. the invention of money had no effect on the barter system d. the invention of money drastically reduced the value of goods used in the barter system 2b2t

What resourse is both renewable and inexpensive? gold coal lumber mineral

What does the term "smalling up" mean, according to white? what ways have you or people you know had to "small up"? if you haven't, what ways could you?