Why do market forces drive economic profit but not economic rent toward zero?

What creates an electric force field that moves electrons through a circuit? a. energy sourceb. loadc. metal wiresd. resistance

Explain the purpose and function of the icd-10-pcs coding system, include reasons for the transition from icd-9 vol. 3.

Look at the graph about the barriers to working out. what would 20 percent of the population report as a barrier for working out? inability to devote thirty minutes a day to working out lack of interest with creating a detailed workout schedule not having enough money to pay for yearly gym membership living in a community that does not have parks or a gym facility