Final answer:
The subject of this question is Driver's Education, and the answer explains the importance of a driver's field of vision in observing their surroundings to ensure safety.
Step-by-step explanation:
The subject of this question is Driver's Education, which is a course that teaches individuals how to safely operate a motor vehicle.
A driver's field of vision should include the entire area of the highway and surroundings they can see. This is important for being aware of potential hazards, such as other vehicles, pedestrians, and road conditions.
By having a wide field of vision and observing their surroundings, drivers can make informed decisions and take appropriate actions to ensure their safety and the safety of others on the road.