Question

this sign means:
left curve ahead.
s curves ahead.
series of curves.
slippery when wet.

Explanation:

Identify the visual elements

The sign is a yellow diamond-shaped warning sign. It depicts a car with wavy tire tracks underneath it.

Analyze the meaning

The wavy lines represent a vehicle losing traction or skidding. This standard symbol warns drivers that the road surface ahead can become very slick and hazardous when wet.

Evaluate the options

• "left curve ahead" is represented by a curved arrow pointing left.
• "s curves ahead" is represented by a winding arrow.
• "series of curves" is represented by a winding arrow.
• "slippery when wet" directly matches the symbol of a skidding car.

Answer:

• left curve ahead.
• s curves ahead.
• series of curves.
• slippery when wet. (Correct answer)