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ert A Uae, , a, , Answer:, , Due to the revolution of the earth on its axis, the position of the earth, around the sun changes. This causes seasons to change., , Q.3 Fill in the blanks., , (a) A leap year has number of days., , (b) The daily motion of the earth is ., , (c) The earth travels around the sun in orbit., , (@) The sun’s rays fall vertically on the Tropic of. on 2Ist, June., , (e) Days are shorter during __ season,, , Answer:, (a) A leap year has 366 number of days., , 1, A year which has 366 days and not °°°s days is called a leap year., , (b) The daily motion of the earth is rotation., , Rotation can be defined as the movement of the earth on its axis in 24, hours., , (c) The earth travels around the sun in an elliptical orbit., , The shape of the earth’s orbit is not round but elliptical. The earth travels, around the sun in an elliptical orbit., , (d) The sun’s rays fall vertically on the Tropic of Cancer on 2st June., , 21° June is the longest day, also known as the Summer Solstice. On this, day the sun’s rays fall directly over the Tropic of Cancer., , (e) Days are shorter during winter season., , The days are shorter in winter than in summer, because of the tilt of the, earth’s axis., , G.K., eiug NCERT Books for Govt Job INSTALL, LCTefoye) (at) AN