Ice wedging is when water 
coldest season Metling snow freezes and contracts freezes and melts mouth of rivers In the winter freezes and condenses freezes and expands
A B C D E F G H
Water in the cracks of rocks freeze and expand.
Ice wedging is when Water freezes and expands.
Ice wedging is when water  (A) coldest season (B) Metling snow (C) freezes and contracts (D) freezes and melts (E) mouth of rivers (F) In the winter (G) freezes and condenses (H) freezes and expands