The main function of the tread pattern on tyre is that

[A].	the tread grooves pass air between the tyre and road surface, thereby preventing tyre from overheating
[B].	the crests between the tread grooves absorb road noise
[C].	in wet conditions, the tread grooves expel water that is drawn between the tyre and road surface
[D].	the tread pattern protects the tyre's inner carcass from small stones and pieces of glass

Answer: Option C

Explanation:

No answer description available for this question.