1.

Which one of the following is an example of Salt-Crystal growth?

Answer»

Chemical weathering
Physical weathering
Biological weathering
Bio-chemical weathering

Solution :Salt crystallization, the weathering by which is known as haloclasty, CAUSES disintegration of rocks when saline SOLUTIONS seep into CRACKS and joints in the rocks and EVAPORATE, leaving salt crystals behind. These salt crystals expand as they are HEATED up, exerting pressure on the confining rock. Physical weathering is a term used in science that refers to the geological process of rocks breaking apart without changing their chemical composition.


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