Elements

 Elements Chemical element, also called element, any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed. At present there are 118 known chemical elements. About 20 percent of them do not exist in nature (or are present only in … Read more Elements

Oceans

 – Bottom Relief Four major divisions can easily be identified on the ocean floor: The continental shelf, the continental slope, the continental rise, the abyssal plain. Besides these, there are many associated features—ridges, hills, seamounts, guyots, trenches, canyons, sleeps, fracture zones, island arcs, atolls, coral reefs, submerged volcanoes and sea-scarps. This great variety of … Read more Oceans

Disaster Management Models

 Disaster management models. Roles and responsibilities of stakeholders including community, Concept of first responders Disaster management (DM) is a challenging domain to model because of the variety of dynamic characteristics attached to the domain. Metamodeling is a model-driven approach that describes how semantic domain models can be built into an artifact called a … Read more Disaster Management Models

Biosphere Reserves Of India

 Biosphere reserves What is a Biosphere Reserve? A Biosphere Reserve is a special ecosystem or a specialized environment with a flora and fauna that require protection and nurturing. These reserves are managed and studied for the conservation of various life forms found here. They are subjects of scientific and … Read more Biosphere Reserves Of India

FUNCTIONAL CLASSIFICATION OF TOWN AND PROBLEM OF HUMAN SETTLEMENT

 FUNCTIONAL CLASSIFICATION OF TOWN AND PROBLEM OF HUMAN SETTLEMENT The definition of function varies across the disciplines. In political science it refers to duties, in mathematics it means the relationship between two variables and in geography it is synonymous to occupation. Geographers have classified towns on the basis of their site, situation, size, … Read more FUNCTIONAL CLASSIFICATION OF TOWN AND PROBLEM OF HUMAN SETTLEMENT

Isothermal Lines

Isothermal Lines The “isothermal process”, which is thermodynamic process in which the temperature of a system remains constant. The transfer of heat into or out of the system happens so slowly that thermal equilibrium is maintained. “Thermal” is a term that describes the heat of a system. “Iso” means “equal”, so “isothermal” means “equal heat”, … Read more Isothermal Lines

Salinity Of Oceans

 Salinity of oceans Salinity is defined as the ratio between the weight of the dissolved materials and the weight of the sample sea water. Generally, salinity is defined as ‘the total amount of solid material in grams contained in one kilogram of sea water and is expressed as part per thousand (%o) e.g., … Read more Salinity Of Oceans

Housing in India

Housing in India Issues related to housing sector in India Un-planned growth of settlements  A number of housing clusters have mushroomed in and around various metropolitan centres in haphazard and unplanned manner, without a proper layout and devoid of service lines and other essential facilities. These unauthorized developments are encroachments on land parcels belonging to … Read more Housing in India

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