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(i) Some rocks have a shape of a mushroom.
(ii) Flood plains are very fertile.
(iii) Sea caves are turned into stacks.
(iv) Buildings collapse due to earthquakes

NCERT Class 7th Social Science (Our Environment) Chapter 3- Our Changing Earth


I.Soil consists of rocks , stones , mud etc. Due to soil erosion and degradation of rocks and weathering , some rock turn into mushroom shape.
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