Notes and Study material for Exams
Nuclear Energy Introduction Global energy demand continues to climb as the industrialized world’s energy use rises, millions pull themselves out of POVERTY in developing countries, and the world Population expands. Thus, the debate over the energy supply of the future intensifies. This debate is complicated by ongoing global Climate destabilization as a result of green … Read more
Solid Waste Management; Types of Solid waste Management; Factors affecting Solid Waste Generation Solid Waste Management Solid waste management is basic public Services which every citizen should have access to, both for INFRASTRUCTURE and cause the release of hazardous materials. War and conflict: War and conflict can also lead to an increase in the amount … Read more
The history of disasters in Karnataka reveals that a series of various types of disasters that have struck the State over the years with devastating effects. Years 2005 and 2006 have seen devastating floods in the Districts of Gulbarga, Belgaum, Bijapur, Bidar, Bagalkot, Raichur etc., as a result of outflow of excess water from … Read more
Addition of certain substances to the water such as organic, inorganic, biological, radiological, heat, which degrades the quality of water so that it becomes unfit for use. Putrescibility is the process of decomposition of organic matter present in water by Microorganisms using Oxygen. Water having DO (dissolved oxygen) content below 8.0 mg/L may be … Read more
ENVIRONMENT POLLUTION defined as ‘an addition or excessive addition of certain materials to the physical environment (water, air and lands), making it less fit or unfit for life’. Pollutants are the materials or factors, which cause adverse effect on the natural quality of any component of the environment. Classifications 1. According to the form in … Read more
Quick Revision ( SCIENCE SERIES, Art 2): NUCLEAR TECHNOLOGY, RADIOACTIVITY and Its application Nuclear technology: Nuclear technology is technology that involves the nuclear reaction of atomic nuclei. Among the notable nuclear technologies are Nuclear Reactors, nuclear medicine and nuclear weapons. BASIC CONCEPTS: Nuclear Energy: The energy produced due to changes … Read more
E — WASTE E-Waste is not hazardous if it is stocked in safe storage or recycled by scientific methods or transported from one place to the other in parts or in totality in the formal sector. The e-waste can be considered hazardous if recycled by primitive methods Survey was carried out by the Central Pollution … Read more
defined as ‘an addition or excessive addition of certain materials to the physical Environment (water, air and lands), making it less fit or unfit for life’. Pollutants are the materials or factors, which cause adverse effect on the natural quality of any component of the environment. Classifications According to the form in which they … Read more
Movement of these pollutants involves two main processes: Bioaccumulation refers to how pollutants enter a food chain. there is an increase in concentration of a pollutant from the Environment to the first organism in a food chain. Biomagnification refers to the tendency of pollutants to concentrate as they move from one trophic … Read more