Freeze-thaw weathering occurs by the expansion of water.
What is freeze-thaw weathering?
Freeze-thaw weathering is a type of physical weathering that occurs when the porous rock holds water in it due to rain, washing out, etc.
- Water settles in the pores of the rock and stays in the cracks of the rock.
- When there is a decrease in temperature the water gets converted into ice.
- This freezing causes expansion and further rupture of rock.
- Again when the temperature increases in the environment, the ice gets converted into water and this causes deeper cracks and ultimately leading to the weathering of rocks.
To learn more about weathering of rocks, refer to:
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