Across
- 3. a benefit for a benefit
- 4. the result of production
- 5. refered to as a gift of nature
- 6. sometimes also called the frontier opportunity cost
- 7. changed the nature
- 9. people that use up things
Down
- 1. required to produce the things we would like to have
- 2. people with all their efforts abilities and skills
- 8. risk takers in search of profits who do something new with existing resource