Why should a driver be cautious about opening the door to load students if visibility is significantly reduced, such as in heavy fog?

Pick an answer

1. Heavy fog always improves a driver's ability to see approaching hazards
2. Visibility conditions have no bearing on the safety of loading or unloading students, since the warning lights work in any weather
3. Reduced visibility increases the risk that an approaching vehicle or hazard near the bus goes unnoticed
4. This concern applies only to unloading, never to loading students

Correct!

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