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
Options: was one of the greatest Sanskrit poet and dramatist, lived during the region of Chandragupta Vikaramaditya, famous works include Shakutala, Raghuvansha, Meghdoot and Kumara Sambahava, All of the above
What is the purpose of 'United Nations Conference on Trade and Development' (UNCTAD)?
Options: Promotes International Trade with a view to accelerate economic growth of developing countries, Promotes International Monetary co-operation & expansion of International Trade, Set rules for World Trade, None of the above
Options: the intensity of light emitted by them changes with time, the distance of the stars from the earth changes with time, the refractive index of the different layers of the earth's atmosphere changes continuously, consequently the position of the image of a start changes with time, the light from the star is scattered by the dust particles and air molecules in the earth's atmosphere
It is easier to roll a barrel full of coal tar than to pull it because
Options: the full weight of the barrel comes into play when it is pulled, the rolling friction is much less than the sliding friction, more surface area of the barrel is in contact with the road when it is pulled, coal tar is a liquid and it flows in the barrel when it is rolled