There is really no specific answer because there are many types of glaciers and different ways they form.
Answer: Manners Make the Man
Explanation: Out of all the other options, the article that is most likely written to persuade the readers is "Manners Make the Man" because it will be about instructing men to have good manners.
Hope this helps, have a BLESSED and wonderful day! :-)
-Cutiepatutie <3