Earth And Its Geological Time Scale

 Earth and its Geological time scale:-   Origin of the Earth:- EARLY THEORIES:- 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 arguments was by German philosopher Immanuel Kant. Mathematician Laplace revised it in 1796. It is … Read more

Frontiers And Boundaries With Reference To Indian Sub

 Frontiers and boundaries with reference to Indian sub-continent A Frontier, can be defined as a politico-geographical area, lying beyond defined borders of a political unit into which expansion could take place. It is a physical and moral concept which implied looking outwards and moving outwards. It is not an abstract concept but a … Read more

Agroecology

 Agroecology Agroecology shares much in common with other approaches to sustainable farming. Agroecology is farming that “centers on food production that makes the best use of nature’s goods and services while not damaging these resources.”  Farming thrives when it works with local ecosystems, for example, improving soil and plant quality through available biomass … Read more

Horticulture And Forestry

   Horticulture : The agrarian state of Andhra Pradesh is heading towards a value addition platform from the conventional production approach. ‘Horticulture’ sector has been recognized as an essential component for food and nutritional security in the State. Efforts are being made to make Andhra Pradesh maintain its supremacy in the production of … Read more

Eskimo

 Eskimo Eskimo, any member of a group of peoples who, with the closely related Aleuts, constitute the chief element in the indigenous population of the Arctic and subarctic regions of Greenland, Canada, the United States, and far eastern Russia (Siberia). Early 21st-century population estimates indicated more than 135,000 individuals of Eskimo descent, with … Read more

Vital Statics Of Birth And Death

                  Health Status of the country   The  health  of  a  nation  is  an  essential  component  of  development,  vital  to  the   nation‟s economic growth and internal stability. Assuming the minimum level of health care to the population  is  a  critical  constituent  of  the  development  process. First,  India  has  to  complete  its  unfinished … Read more

Changes In Cropping Pattern

   Changes  in  cropping  pattern Cropping pattern means the proportion of area under various  crops  at  a  point of  time or  yearly sequence  and  spatial  arrangement  of crops  and Changes  in  cropping  pattern Cropping pattern means the proportion of area under various  crops  at  a  point of  time or  yearly sequence  and  spatial … Read more

Population Growth And Economic Development

 Population growth and economic development The effect of population growth on a society’s per capita output level depends on the pattern of population growth as also its institutional (organ­isational) framework. In other words, it depends on the age composition of the population. The pattern of spending reflects the age distribution. An ageing population—one … Read more

ROTATION OF EARTH

 Earth’s Rotation and Revolution Primarily two motions: Rotation and Revolution. Rotation of Earth Earth rotates along its axis from west to east. It takes approximately 24 hrs to complete on rotation. Days and nights occur due to rotation of the earth. The circle that divides the day from night on the globe is … Read more

El Nino

El Nino El Niño is the name given to the occasional development of warm ocean surface waters along the coast of Ecuador and Peru. When this warming occurs the usual upwelling of cold, nutrient rich deep ocean water is significantly reduced. El Niño normally occurs around Christmas and usually lasts for a few weeks to a few months. Sometimes … Read more