Correct answer: B. When the temperature drops close to freezing.
Black ice is an almost invisible and thin coating of ice on the surface of the road. Sometimes it can look like a sheet of water or as if the road is wet.
This is an official-style question from the Safe and Responsible Driving topic of the Ireland driver theory test (Cat. B). Practise all 807 questions free on iTest.ie — with timed mock exams, automatic mistake tracking and progress sync across devices.
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