Answer and explanation

Correct answer: A. Slow reactions and microsleep

  1. Step 1: Fatigue slows reactions and can cause the driver to fall asleep for a few seconds without noticing.
Answer
Slow reactions and microsleep.
Why not the others: Higher fuel use and weaker brakes, Weaker brakes and lower tyre pressure and Louder engine noise and a heavier steering don't fit.

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