Final answer:
Issuing passports is not an example of a state using its reserved powers; this is a federal government responsibility.
Step-by-step explanation:
The activity that is not an example of a state using its reserved powers is B. Issuing passports. Reserved powers are those powers kept by the states that are not delegated to the national government. These include organizing education, issuing marriage licenses, and patrolling state highways. The issuance of passports, however, is a responsibility of the federal government, not the states.