Final answer:
The red light of a school bus is used as a warning signal to indicate that it's not safe to cross the street.
Step-by-step explanation:
The purpose of the red light of a school bus is TRUE. The red light on a school bus is used as a warning signal to notify drivers and pedestrians that children are either getting on or off the bus and it is not safe to cross the street. When the red light is flashing, it indicates that the bus has either stopped or is about to stop, and all vehicles must come to a halt to ensure the safety of the children.
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