Answer: False
Step-by-step explanation:
Erosion is a process of removal of top surface layer of the soil by the action of a physical agent such as water, wind and others. The removed sediments are transported to other locations.
According to the given situation, using off-road vehicles does not contribute to the process of erosion is false because off-road surface riding will disturb the soil and will translocate the soil from it's location causing erosion.