Question: Whle rearranging pictures, Debbie's mother has put on the floor a mirror and a painting that previously hung on the wall. Debbie throws an apricot across the surface of the mirror and the painting. The mirror is much smoother than the painting. When Debbie rolls the apricot on the painting, there will be _____ heat produced than when she rolls it on the mirror. (A) more (B) less  Do not use A and B to answer the question but instead, choose between "mirror" and  "painting".
The answer to this question is:
painting