Detailed Instructions: In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.
Q: Question: Billy was taking care of his plants and noticed that the leaves on them were different. On one he could actually see his own image reflected back on the leaves while the other he couldn't see himself at all. He concluded that the one he could see his image on had 
 Answer: more sheen
A:
Increases the sheen on leaves to make them more reflective.