old working social science model in social science for class 10th

The dams submerge forever the traditional living areas and cause loss of traditional sources of livelihood. A large number of villagers and tribals who have been displaced by various development projects are largely poor. They do not get any benefits from these projects and are alienated from the..

Personal health Populations, resources, and environments Natural hazards Risks and benefits Science and technology in societ..

Personal health Characteristics and changes in populations Types of resources Changes in environments Science and technology in local challenge..

Personal health Populations, resources, and environments Natural hazards Risks and benefits Science and technology in societ..

The main aim of this type of forestry is to supply goods and services to meet the local demand for firewood, fodder, food, fertilizers, fibre, timber, medicines etc. It is classified into two types: Social Forestry and Environmental Forestry: Trees which are useful to the tribal people a..

The bacterium that causes this disease is Mycobacterium tuberculosis which is a rod shaped bacteria spread by air, dust, sputum of infected person or even from animals. The bacterium releases a toxin called tuberculin. The disease generally affects lung tissue but may spread to any other part of th..

Environment is defined as the surroundings in which the organism lives. The environment may be the physical environment, the chemical environment or the biological environment. Thus, the environment has two components - abiotic and biotic. The abiotic environment includes the air (atmosphere), wat..

The wastes include kitchen waste, papers, construction materials, old tyres, medical wastes, etc. In order to understand the severity of the problem and to work towards a solution, one must understand the types of wastes being generated. Wastes can be classified into: Biodegra..

>Forests are an area of diverse biodiversity consisting mainly of trees, shrubs, wild plants, a variety of organisms and wild life Management of forest resources has to take into account the interests of various stakeholders as well as involve their participation in local conservation management Va..

. In 1793, he left for Manchester to teach physics and chemistry in a college. In 1801, he observed and discovered the law of expansion of gases on heating. He also enunciated the law of partial pressures and found methods of determining vapour pressure of gases. He invented the dew point hygromete..