GK : THE WORLD

Denudation:
The process known as denudation or the wearing away of the land is continually going on. The chief causes of such erosion are (a) changes in temperature; (b) frost; (c) winds; (d) water, including rivers; (e) ice; and (f) the ction of the sea. Steps to combat soil erosion include (i)  terracing; (ii) contour ploughing; (iii) strip cropping (iv) planting shelter belts of trees; and (v) plugging the gullies by building small dams etc.

The Lithosphere | The Atmosphere