Black ice is defined as

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Multiple Choice

Black ice is defined as

Explanation:
Black ice is a thin, transparent layer of ice on the road that blends with the dark pavement, making it very hard to see. Because it looks wet rather than icy, drivers may not realize ice is present and can suddenly lose traction. This invisibility is what makes it so dangerous, especially on bridges and shaded areas after a freeze. The description thin sheets of invisible ice captures this reality best. White frost would be visible and typically flaky; clear patches of ice would be noticeable as distinct spots rather than a smooth, unseen film; wet patches with no ice aren’t icy at all.

Black ice is a thin, transparent layer of ice on the road that blends with the dark pavement, making it very hard to see. Because it looks wet rather than icy, drivers may not realize ice is present and can suddenly lose traction. This invisibility is what makes it so dangerous, especially on bridges and shaded areas after a freeze. The description thin sheets of invisible ice captures this reality best. White frost would be visible and typically flaky; clear patches of ice would be noticeable as distinct spots rather than a smooth, unseen film; wet patches with no ice aren’t icy at all.

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