Salts in rocks expand due to Thermal action Hydration Crystallisation Code ........

Geography Geomorphology

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Salts in rocks expand due to?

Thermal action
Hydration
Crystallisation :

Code

1 and 2

2 and 3

1 and 3

All of the above

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Explanation:

Crystal growth often occurs when groundwater moves into empty pores or spaces of rock by capillary action. As the water evaporates, salt crystals grow and accumulate, putting pressure on the rock and causing it to break apart. Salt crystallization is common in drier climates.