Seasons occur due to which of the following reasons?
2019
Seasons occur due to which of the following reasons?
- A.
Axis of the Earth makes an angle of 66½° with its orbital plane.
- B.
Tropic of Capricorn receives direct rays of the sun, falling vertically at 23½° S.
- C.
Revolution of the Earth and inclination of its axis in the same direction.
- D.
Circle of illumination caused due to rotation of the earth around its axis.
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Correct answer: C
Seasons occur because the Earth revolves around the Sun while its axis remains tilted in the same direction. This tilt changes the angle and duration of sunlight received by each hemisphere during the year. Therefore, the correct reason is the revolution of the Earth along with the inclination of its axis.