1
Q
3 types of weathering
A
- Mechanical
- Chemical
- Biological
2
Q
Difference between weathering and erosion
A
- weathering breaks down rocks into fragments/ in situ
- erosion moves fragments of rocks
3
Q
Important factors in determining rates and types of weathering in arid and semi arid environments
A
- Little water
- High rates of evaporation
- Rock type
- Lack of vegetation
- Extreme temperatures
4
Q
Biological
A
The breakdown of rocks by living organisms
5
Q
Chemical
A
The chemical alteration or decomposition of rocks
6
Q
Physical
A
The mechanical breakdown of rocks
7
Q
Chemical weathering
A
- Oxidation
- Hydration
- Hydrolysis
- Carbonation
- Solution
- Biological weathering
