Geography Booster

 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

 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 … Read more

          Earthquakes and Volcanoes: Types, distribution and their impact:- Earthquake:- The study of seismic waves provides a complete picture of the layered interior. An earthquake in simple words is shaking of the earth. It is a natural event. It is caused due to release of energy, which generates waves that travel … Read more

 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

 ELEMENTS OF CLIMATE AND WEATHER   Climate is decided by a region’s climate system. A climate system has few major components: the atmosphere, the layer, the cryosphere, and the land surface. The atmosphere is that the most variable a part of the climate system. The composition and movement of gases encompassing the planet … Read more

 Distribution of natural resources World Distribution of forest reserves Forests cover 31 percent of the world’s land surface, just over 4 billion hectares. (One hectare = 2.47 acres.) This is down from the pre-industrial area of 5.9 billion hectares. According to data from the U.N. Food and Agriculture Organization, deforestation was at its … Read more

 Distribution of major natural resources of World-Water, Soils,  Forests in reference to South and South-East Asia     Distribution of key natural resources across the world (including South Asia and the Indian subcontinent) Natural resources are highly valued because human beings are dependent on them to fulfil their fundamental needs that changes with … Read more

 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

 Development of Railway:- The romance of train travel in India is legendary, but the task of constructing the railways in the first place was daunting. There were huge problems in dealing with such a vast and inhospitable country. The idea of introducing railways to India had been mooted as early as the 1830s. … Read more

 Demographic dividend and transition Demographic dividend The term “demographic dividend” (DD) refers to the accelerated economic growth that a country can achieve when it has a low dependency ratio or, in other words, when the proportion of its population that is of working age is greater than the proportion of its population that … Read more