Final answer:
The electrical system of a vehicle uses fuses and an alternator. Fuses protect the circuits, and the alternator charges the battery and powers the system.
Step-by-step explanation:
The automotive system that uses fuses and an alternator is C: the electrical system. The electrical system in a vehicle is responsible for distributing power to various components, including the headlights, radio, and ignition system. Fuses are used to protect the electrical circuits from overcurrent and potential damage. The alternator, on the other hand, is a critical component that charges the car's battery and powers the electrical system when the engine is running.