Why is PPC called opportunity cost?

Related questions

1. What shifts a PPC curve outward?
2. What causes PPC to shift outward?
3. Can a PPC line be straight?
4. Why is PPF convex?
5. What do points on the PPC represent?
6. Why is a PPF curved instead of straight?
7. Why is the PPC curve concave?
8. What is the properties of PPC?
9. Why is PPC linear?
10. What is PPC curve in economics?

Tags

1. #called
2. #given
3. #shows
4. #concave
5. #opportunity
6. #fuller
7. #origin
8. #combinations
9. #production
10. #produced
11. #services
12. #efficient
13. #goods
14. #which
15. #utilisation
16. #curve
17. #technology
18. #amount
19. #resources
20. #possibility