Answer the following question: Question: Andy was running across the tile floor and sliding across it. There was less friction here, but he thought he could do the same outside on the cement. When Andy tries to slide across the cement, his socks will make _____ than when he slides across the tile floor. (A) more heat (B) less heat Do not use A and B to answer the question but instead, choose between "tile floor" and "cement".
Answer:
tile floor