Final answer:
Motorcycles and scooters are typically required to have at least one headlight for night-time visibility and safety; local laws should be checked for specific requirements.
Step-by-step explanation:
The subject of motorcycles and scooters being equipped with headlights falls into traffic laws and safety regulations, which are part of the law field. While the exact number of headlights required can vary based on jurisdiction, in many areas, motorcycles and scooters are required to have at least one headlight.
This headlight is vital for night-time visibility and is part of the standard equipment to ensure the safety of the rider and other road users. It is crucial to check local laws for specifics, as requirements may differ in different regions or countries.