Please answer the following question: Question: Alex slid a coin along the counter to the bar tender. It moved really fast until it got to the rubber mat at the end of the bar. When it got to the rubber mat, it slowed down a lot. This is because the rubber mat has (A) more friction (B) less friction. Do not use A and B to answer the question but instead, choose between "counter" and "rubber mat".
Answer:
counter