Smoking while driving can cause...

A)An increase in attention capacity.
B)Drowsiness.
C)Distractions and vision problems due to smoke.Correct
Smoking while driving is dangerous because it creates multiple distractions: you need one hand to hold the cigarette, you divert your attention from the road, and the smoke affects your vision. These distractions significantly reduce your ability to react to risky situations, increasing the likelihood of accidents.