Which is one way that alcohol affects driving? alcohol impairs motor skills. alcohol improves decision-making. alcohol increases normal brain function. alcohol speeds up the nervous system.

Alcohol impairs motor skills is the correct answer.

Explanation:

alcohol affects driving because Alcohol impairs motor skills.Alcohol decreases the attention to drive as it affects motor skills.people if drive after drinking the alcohol then the alcohol gets absorb in the blood and it will impair motor skills such as decrease the ability to focus and reduce coordination as the brain cells become less active.if someone drinks and drive it increases the risk of accident as hinder the ability to focus because people feel drowsiness after drinking alcohol.