Answer and explanation

Correct answer: B. Following the conversation takes attention from the road

  1. Step 1: Attention is limited even when the hands are free. Step 2. Keep calls short or wait until you stop. Answer: Following the conversation takes attention from the road. Why not the others: The microphone signal interferes with the engine's electronic control unit: hands-free kits do not affect engine function. The call weakens the signal to the car's brake sensors: brake fluid is unrelated to phones. The earpiece blocks the driver's hearing of horns and sirens: the risk is mental distraction, not deafness.

Practise more Phones, helmets and distraction.

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