Question

while the car is in motion, its only safe for ______ to interact with gps. the driver a driver over 21 an adult a passenger

Explanation:

When a car is in motion, the driver should focus on driving. Interacting with GPS can be a distraction. A passenger can safely interact with GPS without endangering driving - related tasks. Age of the driver or being an adult is not relevant to the safety of interacting with GPS while the car is moving.

Answer:

a passenger