To avoid or delay the onset of fatigue, it is advisable that the driver...
A)Drive at a lower speed to reduce the effects of fatigue.
B)Keep the interior of the vehicle at a temperature above 25 degrees.
C)Keep the interior of the vehicle well ventilated.Correct
# Explanation
Keeping the interior of the vehicle well ventilated is essential to combat fatigue while driving. Fresh, circulating air stimulates the central nervous system, keeps the mind alert and prevents drowsiness. A cool and adequate temperature, together with good ventilation, are effective measures along with regular breaks to ensure safe driving.