South Korea - Driver's license exam test, 2024

424. Which of the following is not a correct explanation of black ice in winter?

• It is a phenomenon in which a thin ice film forms like a coating on the road surface.
• It is a phenomenon in which pollutants in the air are mixed with snow and moisture on the asphalt surface, absorbed, and then frozen into black ice.
• It occurs mainly in places with low temperatures during the winter season, such as on bridges, tunnel entrances, shady roads, and in the shade of mountain corners.
• It refers to the phenomenon where the snow melts and seeps into the sunny road, and the black color of the road is reflected by sunlight and sparkles.