Options: they emit light of a constant intensity, their distance from the earth does not change with time, they are very far away from the earth resulting in decrease in intensity of light, they are nearer to earth and hence we receive a greater amount of light and, therefore minor variations in the intensity are not noticeable
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
Options: are appointed by the president in consultation with the prime minister, are appointed by the president on the recommendation of the speaker, are taken from various groups and parties in Parliament in proportion to their respective strength, both (b) and (c)
Options: cool, extremely dry wind that forms over the Sahara and blows westward or south-westward to the African coast, wind that blows during the dry season from December to February, tertiary wind that carry great quantities of fine dust from the Sahara, All of the above
Options: the period in which the moon completes an orbit around the earth, the period in which the moon completes an orbit around the earth and returns to the same positions in the sky, the period of rotation of moon, None of the above