The endogenic and exogenic forces causing physical stresses and chemical actions on earth materials and bringing about changes in the configuration of the surface of the earth are known as geomorphic processes.... Read more »
CONTINENTAL DRIFT THEORY From the known records of the history of science, it was Abraham Ortelius, a Dutch map maker, who first proposed such a possibility as early as 1596. Antonio Pellegrini... Read more »
SOURCES OF INFORMATION Direct Sources The most easily available solid earth material is surface rock or the rocks we get from mining areas. Gold mines in South Africa are as deep as... Read more »
THEORY ON EVOLUTION Origin of the Earth: A large number of hypotheses were put forth by different philosophers and scientists regarding the origin of the earth. One of the earlier and popular... Read more »
OVERVIEW Natural vegetation refers to a plant community that has been left undisturbed over a long time, so as to allow its individual species to adjust themselves to climate and soil conditions... Read more »
OVERVIEW India is a country of vast dimensions with varied conditions of geology, relief, climate and vegetation. Therefore, India has a large variety of soil groups, distinctly different from one another. Different... Read more »
OVERVIEW India has a total of 247 islands (distant islands) of which 204 lie in the Bay of Bengal and remaining in the Arabian Sea. The Bay islands consisting of Andaman and... Read more »
OVERVIEW The coastal plains of India are located along the Arabian Sea coast in the west and along the Bay of Bengal coast in the east. According to their location to the... Read more »
OVERVIEW Rising from the height of 150 m above the river plains up to an elevation of 600-900 m is the irregular triangle known as the Peninsular plateau. Delhi ridge in the... Read more »