which laws or rules prevent or reduce injury by preventing crashes?\na. child seat laws\nb. seat belt…

Brief Explanations:

Child seat laws ensure children are properly restrained, seat - belt laws require vehicle occupants to be secured, signaling rules help in communicating intentions to prevent collisions, and bicycle helmet laws protect cyclists. All these laws and rules prevent crashes or reduce injury in case of a crash.

Answer:

A. Child seat laws B. Seat belt laws C. Signaling rules D. Bicycle helmet laws