Definition: Convert a disfluent question to a proper question. A disfluent question is a question that has some interruptions in it while framing. A proper question is the correct form of the question without any disfluency.
Input: The emplacement of dike swarms are a result of looking for causes of hillslopes and channel erosion? , What activity er what causes hillslopes and channels to erode?

What causes hillslopes and channels to erode?