both/and, either/or, neither/nor, not/but, not only/but also
Answer:
it can tell viewers where to focus their attention
Explanation:
the question asks, what can audio add? All the other answers are negative.
C.friction heat would make it not slide because the road would be not wet magnetism has nothing to do with it and gravity same so the most probably answer is c.friction (sorry if I don't make sense)
Wow that must suck try to think
