In vehicles equipped with a steering wheel-mounted air bag, sitting such that the driver's chest is closer than inches from the steering wheel increases the chance of arm, neck or facial injury in the event of a crash

10 inches .

Explanation:

Airbags are powerful when they deploy. They are used to assure the driver's safety but can be surprisingly harmful if we are not sitting properly.

In order to avoid the impact of the airbag we should be sitting far enough from the wheel, which is at least 10 inches. Women, due to their smaller constitution, are far more prone to this type of injuries as they tend to sit closer to the wheel.

Safety is first, so we should take some extra care and adjust our driver's seats.

c. will be your answer sorry if im wrong tho