Answer :
Final answer:
Warning signs are typically diamond-shaped and are used to alert drivers to potential road hazards. Other shapes like octagons, rectangles, and triangles have specific uses, such as for stop signs, regulatory information, and yield signs, respectively.
Explanation:
Warning signs on the road typically come in different shapes and colors, each designed to convey a different message or warning. The correct answer to the question, 'Warning signs normally are:' is c) diamond-shaped. Diamond-shaped signs are used to warn drivers of potential hazards on the road or changes in traffic conditions. Examples include signs for pedestrian crossings, merging traffic, or changes in the road layout. Other common shapes for road signs include octagons for stop signs, rectangles for regulatory information, and triangles for yield signs.
