Across
- 2. different output combos
- 3. sacrificing a for b
- 6. used making goods and services
- 7. discovering new resources
- 9. raw materials
- 10. office buildings, tools, etc.
- 11. short supply
Down
- 1. work done by people
- 4. the loss of potential gain
- 5. essentials; necessities
- 8. something that is desired