Question

1. the color used for background on warning signs, such as signs indicating a curve ahead, is generally: a. red b. orange c. yellow d. brown

Explanation:

Warning signs are designed to alert drivers to potential hazards. Yellow is a highly visible color that stands out against various backgrounds, making it an ideal choice for warning signs. Red is often used for stop or prohibition signs, orange is commonly associated with construction zones, and brown is typically used for recreational or cultural interest areas.

Answer:

C. Yellow