Ozone Depletion The global environment is basically formed by three parts-Atmosphere, hydrosphere and lithosphere. The atmosphere extends over about 600 km from the earth's surface. Most of it is formed of air (a mixture of gases having suspended liquids and solids) covering the earth from all sides. Four main layers have been identified in the atmosphere. From … [Read more...] about Ozone Depletion
Our Environment
Activities that affect the Environment
Solid wastes The waste materials which get accumulated in the environment for shorter or longer duration are termed solid wastes. These are the main source of soil pollution. (1) Solid waste generally comes from residences, cattle sheds, industries, agricultural fields, and many other places. (2) It includes peelings of fruits and vegetables, other kitchen waste, … [Read more...] about Activities that affect the Environment
Food chain and Food web
Food Chains Food we eat acts as a fuel to provide us energy to do work. In any given ecosystem, all living organisms are linked in a systematic chain with respect to their mode of manufacturing food/feeding habits. The interactions among various components of the environment involves flow of energy from one component of the ecosystem to other. (a) In a grassland … [Read more...] about Food chain and Food web
Ecosystem and its Components
Environment The environment includes everything around the organism, i.e., both non-living (abiotic) and living (biotic) components. Abiotic Components The abiotic components are the physical factors such as climatic factors (e.g., temperature, light, wind, humidity, precipitation, water, etc.) and edaphic factors (e.g., soil texture, substratum, topography, background, … [Read more...] about Ecosystem and its Components