Which of the following events took place in the Cenozoic era?
Options: Formation of the rockies, India collides with Asia and the formation of the Himalayas and the Alps, Formation of the Appalachians and central European mountains, Splitting of India from Antarctic, Breaking up of Pangaea
On a night when the sky is clear, the temperature may dip considerably; on a cloudy night the temperature will usually dip much less. The reason for this difference is that
Options: the clear sky allows radiant energy to escape readily from the earth, on a cloudy night the clouds are warm and therefore retard the cooling, the clear sky allows the cold of outer space to reach the earth, current of air carry the heat away from the earth on a clear night
The preamble enshrines certain ideals that were first spelt out in
Options: the speech by Jawaharlal Nehru on the banks of Ravi when he called for Purana Swaraj, the Nehru report, a resolution adopted at the Karachi session of the Indian National Congress, the Objectives Resolution adopted by the Constituent Assembly