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: absorption of corresponding wavelengths by the outer layers of the sun, destructive interference between waves of certain definite wavelengths, absorption of corresponding wavelengths by the prism used in the photograph, absence of corresponding wavelengths from the light emitted by the core of the sun
Options: the sun is between the moon and the earth, the earth is between the moon and the sun, the moon is between the sun and the earth, the moon does not lie on the line joining the sun and the earth
Options: make the taste of food better, produce in small amounts the hydrochloric acid required for the digestion of food, ease the process of cooking, increase the solubility of food particles in water