Others are unable to answer your question if you do not give them more information regarding what you want to be answered. My suggestion is to edit your question so it can be answered properly.
Answer:
Yes, they have.
Explanation:
Glaciers move and when they move, they take with them sediments in their path, causing erosion.
Answer:
A actions or thoughts that reveal what a character is like
A) first person
First person uses I, me, my
He is telling the story from his point of view so it would be first person!
