instruction:
In this task, you are given a question and a corresponding answer. Your task is to generate a fact statement that is useful in answering the given question.
question:
Question: A ball rolling over carpet will go ______ than a ball rolling over concrete.? Answer: slower.
answer:
as the roughness of something increases , the friction of that something will increase when its surface moves against another surface


question:
Question: If a sand grain is in a tree house unexpectedly, a likely culprit responsible for its movement is? Answer: gales.
answer:
wind carries sand from one place to another place


question:
Question: Fish are quickly caught in water because of the webbed feet possessed by a? Answer: penguin.
answer:

webbed feet are used for moving faster through water by aquatic animals