ECONOMICS

5. Exchange in which a person sacrifices one or more thaings for getting a particular product, service or experience
6. Type of externality which leaves a positive effect on the third party
8. Type of resource that exist in a region and can be used in future
10. Type of resource accessible to all the members of the community
11. Type of efficiency when the price of the good is equal to marginal cost of production

1. Any level of inputs beyond that which would maximise net return from the resource
2. The practice of maintaining processes of productivity indefinitely natural or human made by replacing resources without endangering natural biotic system
3. Type of cost which is inclusive of private and external cost
4. An effect that a transaction or activity imposes on a party that is not a party of the transaction
7. Type pf sustainability which focuses on equal economic growth that generates wealth for all without harming the environment.
9. Materials in the environment which have the potential to satisfy the human needs but cannot be used due to lack of technology