Final answer:
When driving in the mountains, the choice of gears depends on the steepness of the grade, the weight of the vehicle, and the speed of the vehicle. The color of the vehicle does not affect the choice of gears.
Step-by-step explanation:
When driving in the mountains, the choice of gears depends on several factors that affect the safety of driving down grades. These factors include:
- The steepness of the grade: steeper grades require the use of lower gears to control the speed of the vehicle.
- The weight of the vehicle: heavier vehicles may require lower gears to prevent them from gaining too much speed and losing control.
- The speed of the vehicle: higher speeds may require the use of lower gears to maintain control and prevent the vehicle from gaining excessive speed.
- The color of the vehicle: The color of the vehicle does not affect the choice of gears when driving in the mountains. It is not a relevant factor.
In summary, the steepness of the grade, the weight of the vehicle, and the speed of the vehicle all affect the choice of gears when driving in the mountains, while the color of the vehicle does not.