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
Which of the following factors are responsible for the rapid growth of sugar production in south India as compared to north India?Higher per acre field of sugarcaneHigher sucrose content of sugarcaneLower labour costLonger crushing period
Options: I and II, I, II and III, I, III and IV, I, II and IV
The three recognized major fishing grounds of the world are located in the
Options: northern hemisphere only, southern hemisphere only, two in the southern hemisphere only and one in the northern hemisphere, one in the southern hemisphere only and two in the northern hemisphere
Stripped of his heavyweight title in 1967 for refusing induction into the U.S. military, Muhammad Ali regained the heavyweight championship on October 30, 1974, in Kinshasa, Zaire with an eighth-round knockout of which prizefighter?
Options: George Foreman, Joe Frazier, Leon Spinks, Sputnik