Geography
Answer
| Physical weathering | Chemical weathering |
|---|---|
| It involves rock disintegration without any change in the chemical constituents of the rock. | In this weathering, some or all of the minerals in the rocks suffer decay or alteration and transform into different chemical combinations. |
| Agents of physical weathering include temperature changes, moisture, frost action and wind. | Agents of chemical weathering include water, oxygen, carbon or various organic acids. |
| It is more rapid in desert climates. | It occurs in moist and cold climates. |
| Rocks are affected to great depths. | It mostly takes place near the surface of the earth. |
Related Questions
Distinguish between Carbonation and Solution.
Define weathering and describe the chief characteristics of weathering.
Give a geographical reason for each of the following:
(i) Physical weathering is also called mechanical weathering.
(ii) Physical weathering is more rapid in desert climates.
(iii) Chemical weathering occurs in moist and cold climates.
Draw a well labelled diagram to show the process of physical weathering.