Introduction Atmosphere Elements of the Atmosphere The atmosphere is composed of all three states of matter [a] Gases, [b] water vapour [c] dust particles. Gases Composition of Gases in Atmosphere Nitrogen (N2) Oxygen (O2) Argon (Ar) Carbon dioxide (CO2) Neon…
Exogenetic Force Notes What is Exogenetic force? Exogenetic or Exogenous or External forces are those that work on the earth’s surface from outside and result in the formation of new landforms. These forces include the elements of the earth’s atmosphere,…
Waste Management Introduction Waste – waste is anything that is no longer useful or required. Waste products have no further use in production or consumption by the user. Classification of waste Wastes are of three types (Solid, Liquid, and Gas)…
Educational and Social Reforms in Bengal Early education TimeLine Year Events 1781 Calcutta Madarsa The aim was to spread Arabic, Persian, and Muslim Laws. 1784 Asiatic Society was established to promote oriental Education. (It was founded by William Jones on…
Idea of History History History comes from Greek ‘historia’, meaning ‘a learning or knowing by inquiry or investigation’. History is the study of the past, and Herodotus has been called the “father of history.” The study of History covers all…
