Question
Physical weathering ad Chemical weathering.
| Physical weathering | Chemical weathering |
| (i) Physical weathering may be defined as the disintegration or breaking of rocks without changing the properties of the rock. | (i) Chemical weathering is the process by which the internal structures of a mineral is altered by the addition or renewal of elements. |
| (ii) This type of weathering occurs mainly by temperature and pressure changes. | (ii) This type of weathering occurs when water activates several types of chemical reactions within the rocks. |
| (iii) In general, cold dry climate accelerates physical weathering. | (iii) Hot wet climate accelerates chemical weathering. |
| (iv) E.g. Exfoliation | (iv) E.g. Oxidation |
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