Which of the following is not a form of physical capital? A. buildings
B. training
C. machines
D. tools
Please select the best answer from the choices provided
Α
B
С
D

Which of the following describes a boom period? a. as one population increases, another population decreases. b. as one population increases, the other population also increases. c. as one population decreases, another population increases. d. as one population decreases, another population also decreases