Jagaja

Question 1

Define the term weathering

Answer 1

Involves the breakdown of rocks at or near to the surface of the ground without their removal

Question 2

What is mechanical weathering, name an example of mechanical weathering and explain how it works

Answer 2

Mechanical weathering (Freeze thaw)

The breakdown of rock without changing its chemical composition

An example is salt weathering;
1)The seawater gets into cracks in the rock
2) When the water evaporates, salt crystals form. As salt crystals form they expand, putting crystals on the rock
3)Repeated evaporation of saltwater and the forming of salt crystals widens tge cracjs ahd cayses tge roxk to break up