Correct answer: D. Suspension.
If a vehicle has a worn suspension it may lead to uneven or excessive tyre wear. If drivers notice that their tyres are unevenly worn, they should investigate the reason and have it repaired by a competent person.
This is an official-style question from the Managing Risk 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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