ICSE BoardEnglish MediumSTD 9GeographyWeathering3 Marks
Question
Explain the processes of physical weathering giving examples.
✓
Answer
The disintegration of the bedrock due to changes in temperature and freezing action of water by mechanical process is called physical weathering e.g. frost or snow lying between the cracks forces to expand the rocks cracks which helps in disintegration. Besides this, the change in temperature does the expansion and contraction of rocks resulting in breaking the rocks into smaller pieces.
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