what should always be used to free stuck or frozen wheels on a tractor?\nhigh forward speed\ncreeper…

Brief Explanations:

Using a high - forward speed can cause damage. Reverse gear may not be the best option. Creeper gear is used for very slow, precise work. A low forward speed is the safest and most effective way to free stuck or frozen wheels on a tractor without causing excessive stress or damage.

Answer:

C. Low forward speed