kai's economics puzzle

2. Something desired but not necessary for survival.
4. The effort people devote to tasks for which they are paid.
9. A graph that shows alternative ways to use an economy’s resources.
11. The study of how people make choices to satisfy their needs and wants.
12. States that as production shifts from one item to another, more resources are needed, increasing the cost.
14. The cost of producing one more unit of a good.
17. Using resources in such a way as to maximize the output of goods and services.
18. Actions or activities one person performs for another.
20. Giving up one benefit to gain another.
22. Using fewer resources than the economy is capable of using.
23. Something essential for survival, like food or water.
24. situation where a good or service is unavailable.

1. The extra benefit of adding one unit.
3. The line on a graph that shows the maximum possible output.
5. Man-made objects like tools and machines used in production.
6. The most desirable alternative given up as a result of a decision.
7. Physical objects that can be bought or sold.
8. Land, labor, and capital used to make goods and services.
10. A person who combines resources to create goods and services.
13. The skills and knowledge gained by a worker through education and experience.
15. A phrase that refers to the trade-off between military and consumer goods.
16. Comparing what you will sacrifice and gain from a decision.
19. Any human-made resource used to create other goods and services.
21. Natural resources used to produce goods and services.