1. Eating fresh fruits and vegetables is an example of a ... [a] demerit good or activity. [b] public good. [c]merit good or activity. [d] good or activity that involves a negative and positive externality.

2. National defence is an example of a . [a] demerit good or activity. [b] public good. [c]merit good or activity. [d] good or activity that involves a negative and positive externality.

3. Using illegal drugs is an example of a .[a] demerit good or activity. [b] public good. [c]merit good or activity. [d] good or activity that involves a negative and positive externality.

4. Influenza vaccination is an example of a....

a] demerit good or activity. [b] public good. [c]merit good or acitvity. [d] good or activity that involves a negative and positive externality.