Geography- weathering and mass movement

Weathering

Why do clipps collapse?

because of weathering- the weakening and decay of rock due to the action of weather, plants and animals.

Types of weathering:

1. mechanical (physical)- the disintegration of rock

water collects in cracks of the rocks, at night the water freezes and expands making cracks larger

as temp rises, ice thaws and water seeps deeper into rock

repeated freezing and thawing rocks make rock fragments break off. they collect as…