Some examples of physical weathering mechanisms: Frost wedging Frost wedging happens when water filling a crack freezes and expands.
(Frost wedging Frost wedging; happens; T:when water filling a crack) (water; filling; a crack) (Frost wedging Frost wedging; freezes; ) (Frost wedging Frost wedging; expands; )
Frost wedging Frost wedging water Frost wedging Frost wedging Frost wedging Frost wedging
happens filling freezes expands
T:when water filling a crack
a crack