Crack growth may be due to pressure release before glaciation, chemical weathering and volume change, or to the expansion of ice when water freezes.
(Crack growth; may be; due to pressure release before glaciation, chemical weathering and volume change, or to the expansion of ice) (water; freezes; )
Crack growth water
may be freezes
due to pressure release before glaciation, chemical weathering and volume change, or to the expansion of ice