Continents cover 29% of the surface of the earth and the remainder is under oceanic waters.The position of Continents and Oceans bodies has not been constant but it has been changing in the past. This chapter deals with the various theories related to the movement of the ocean and Continents. For a long time, many…
The processes which occur on the surface of the earth under the influence of exogenic forces are termed exogenic processes or exogenic geomorphic processes. They derive energy from the atmosphere determined by ultimate energy from the sun, potential energy arising from the gravitational attraction of the Earth and gradients created by tectonic factors. They are…
Pedologists define soil as a collection of natural bodies on the earth’s surface containing living matter supporting or capable of supporting plants. Soil is a dynamic medium in which many chemical, physical and biological activities go on constantly. Soil is a result of decay, it is also the medium for growth. It is a changing…