Acid Rain The formation of nitric acid and sulphuric acid as secondary pollutants in the atmosphere results in a kind of pollution known as acid rain. It ...

The soil is comprised of inorganic (90-95 per cent) and organic matter (5-10 per cent). Besides these soil contains water and air. The composition of the soil ...

Particles: Particles are present in the troposphere. They vary in number from several hundred per cubic centimeter in pure air to more than 105 per cubic ...

Hydrosphere A hydrosphere (Greek hydro means ‘water’) in physical geography described the collective mass of water found on, under, and over the ...

The term ‘environment’ is viewed differently by different environmentalists. It means surroundings and is defined as the sum total of all living (abiotic) and ...

Carbon Cycle Carbon is one of the most important constituent of all organic compounds. It is the building block of life. Carbon is an essential constituent ...

Bio-distribution of Elements Biological functions of the living organisms require 27 elements of which 15 are metals. The elements required in major ...

Effects of Soaps and Detergents on Environment:  Soaps, as already stated, are biodegradable. This implies that when discharged into water bodies, ...

The chemical composition of water bodies, e.g. ground water, surface water (river, lakes), oceans, etc., depends on their source. Ground Water:  ...

The word aufbau in German means building up. The building up of orbitals means the filling up of orbitals with electrons. The principle states that in the ...

Photoelectric Effect Certain metals emit electrons from their surface when light shines on them. Active metals, such as potassium and calcium, emit ...

Black body Radiation Concept: Black body Radiation is an idealized physical body that absorbs all incident electromagnetic radiation, regardless of ...