This image depicts the soil formation, that is weathering of rock. Soil is actually formed by weathering of rock by physical, chemical and biological methods. This image depicts physical and biological weathering. Physical weathering by the action of temperature and biological weathering by the growth of some species of grass through the cracks. Image clicked from Trivandrum district of Kerala, India.
Description by Alwyn Biju, as it first appeared on imaggeo.egu.eu
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