Practice question

A driver is tired after a long summer trip and still wants to continue through blowing dust. What combination of risks should the driver recognize?

Fatigue shortens reaction time, and dust improves contrast
Fatigue lengthens reaction distance, and dust reduces visibility and can worsen road grip
Dust makes following distance irrelevant if headlights are on
Heat and dust affect only pedestrians, not drivers

Answer: B — Fatigue lengthens reaction distance, and dust reduces visibility and can worsen road grip

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