Read the following premise and answer if the hypothesis is true.
Glacier retreat or glacial retreat is type of glacial motion discussed in several articles, depending on the time frame of interest, and whether the climatological process or individual glaciers are being considered. Articles on these topics include:
Hypothesis: Glacier retreat is a type of glacial movement.. Is the answer "Yes", "No", or "It's impossible to say"? Respond with only the answer and no additional text.
Yes
Yes.