I found this Minute Physics video about "sea level" very enlightening [1], and I think it can help here (just replace mountains by "huge masses of ice"). [1] h

I found this Minute Physics video about "sea level" very enlightening [1], and I think it can help here (just replace mountains by "huge masses of ice"). [1] https://www.youtube.com/watch?v=q65O3qA0-n4 https://www.youtube.com/watch?v=q65O3qA0-n4