Final answer:
Warning signs alert you to potential hazards ahead. They provide important information to help keep people safe and prevent accidents.
Step-by-step explanation:
Warning signs alert you to potential hazards ahead. They provide important information to help keep people safe and prevent accidents. Some examples of warning signs include signs that indicate sharp curves ahead, pedestrian crossings, or slippery roads. These signs are designed to grab your attention and prompt you to take appropriate action.