Practice question

Why should the driver use exterior side mirrors even if the inside rearview mirror provides some rear visibility?

The inside mirror is only decorative
The inside mirror may have a large rear blind area, so exterior mirrors are needed for traffic behind and beside the bus
Exterior mirrors are needed only in bad weather
The inside mirror is illegal on school buses

Answer: B — The inside mirror may have a large rear blind area, so exterior mirrors are needed for traffic behind and beside the bus

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