Which one of the following processes of weathering belongs to both mechanical and chemical weathering?
A
Crystallization
B
Exfoliation
C
Hydration
D
Carbonation
Correct Answer: Crystallization
Crystallization processes of weathering belongs to both mechanical and chemical weathering. Mechanical or physical weathering involves the breakdown of rocks and soils through direct contact with atmospheric conditions, such as heat, water, ice and pressure. Chemical weathering - process by which the internal structure of a mineral is altered by the addition or removal of elements.