Options: the creation of oceanic crust and the drifting of continents, the convention currents within the earth's mantle cause the creation of new oceanic crust at the mid oceanic ridges, that the oceanic crust is destroyed at areas where this crust type becomes subducted under the lighter continental crust, All of the above
Options: started as a maths teacher and rose to the position of the principal of Ferguson College, Pune, founded the servants of India Society, served as President of the Indian National Congress in 1905, All of the above
Which of the following international organisations has started the scheme 'Partnership for Peace' for a group of nations?
Options: Organisation of Petroleum Exporting Countries (OPEC), Economic and Social Commission for Asia and Pacific (ESCAP), North Atlantic Treaty Organisation (NATO), Organisations of African Unity (OAU)
The main objective of multi-purpose river projects are
Options: extension of irrigation facilities by constructing dams to store surplus water during the rainy season, for release in summer, power generation by constructing hydro power stations, flood controls and making rivers navigable, All of the above
Options: the complete loss of particular atoms or the compounds from the weathered surface, the addition of specific atoms or compounds to the weathered surface, a breakdown of one mass in to two or more masses, with no chemical change in the mineral or rock, All of the above