Composition, Structure and Stratification of the atmosphere

  An atmosphere is a layer of gases surrounding a planet or other material body, that is held in place by the gravity of that body. Many of the planets in this solar system have atmospheres, but none that we know of have an atmosphere quite like ours – one that can support life. The … Read more Composition, Structure and Stratification of the atmosphere

 Geomorphic processes; Weathering, mass wasting, erosion and deposition,soil formation,Landscape cycles, ideas of Davis and Penck

  Table of content Weathering Mass Wasting Erosion and Deposition Soil Formation Landscape (Geological) Cycles Davis Cycle Penck Cycle Weathering   Weathering is the general term applied to the combined action of all processes that cause rock to disintegrate physically and decompose chemically because of ex- posure near the Earth’s surface through the elements of … Read more  Geomorphic processes; Weathering, mass wasting, erosion and deposition,soil formation,Landscape cycles, ideas of Davis and Penck

Major types of rocks and their characteristics

    They are aggregates or physical mixture of one or more minerals. Minerals on the other hand are made up of two or more elements in a definite ratio. They have a definite chemical composition. Crust is made up of more than 2000 minerals, but out of these, 6 are the most abundant and … Read more Major types of rocks and their characteristics

Origin and evolution of earth

    Beginning of the Universe started about 13.6 billion years ago,when the Big Bang created the universe from a point source. During this process, light elements, like H, He, Li, B, and Be formed. From this point in time, the universe began to expand and has been expanding ever since. Concentrations of gas and … Read more Origin and evolution of earth

Air Pollution

  Aggravated because of four developments: Increasing traffic, growing cities, rapid economic development, and industrialization contamination of air by the discharge of harmful substances Major air pollutants and their sources Carbon monoxide (CO) It is a colourless, odourless gas that is produced by the incomplete burning of carbon – based fuels including petrol, diesel, and … Read more Air Pollution

Harsha-Vardhan : The last great Hindu ruler of Northern India; cultural achievements during his period.

Emperor Harshavardhana, better known as Harsha, lived from 590 to 647 CE and was the third ruler of the Vardhana Empire, the last great empire in ancient India before the Islamic Invasion. He ruled from 606 CE to 647 CE. After Harshavardhana’s death, however, the Vardhana dynasty came to an end and its empire dissolved. India, the land beyond the … Read more Harsha-Vardhan : The last great Hindu ruler of Northern India; cultural achievements during his period.

Role of World Bank, IMF WTO & other Important International Organisations in world Economy:-

The International Bank for Reconstruction and Development (IBRD), commonly referred to as the World Bank, is an international financial institution whose purposes include assisting the development of its member nation’s territories, promoting and supplementing private foreign investment and promoting long-range balance growth in international trade. The World Bank was established in December 1945 at the … Read more Role of World Bank, IMF WTO & other Important International Organisations in world Economy:-

American War of Independence.

Philosophes such as Voltaire considered England’s government the most progressive in Europe. England’s ruler was no despot, not even an enlightened one. His power had been limited by law. The Glorious Revolution of 1688 had given England a constitutional monarchy. However, while the English monarch’s power was being limited at home, the power of the … Read more American War of Independence.

Freedom of Press

On 29th January 1780, the Hickey’s Bengal Gazette or the Calcutta General Advertizer was published. It was the first English newspaper to be printed in the Indian sub-continent. The press was the chief instrument of forming a nationalist ideology The resolutions and proceedings of the Congress were propagated through press. Trivia: nearly one third of … Read more Freedom of Press

Moderate phase:early nationalists,Freedom of Press and Bal Gangadhar Tilak

Contribution of early nationalists Early nationalists believed that a direct struggle for the political emancipation of the country was not yet on the agenda of history. On agenda was: Creation of public interest in political questions and the organization of public opinion Popular demands had to be formulated on a country-wide basis National unity had … Read more Moderate phase:early nationalists,Freedom of Press and Bal Gangadhar Tilak