Direction: Answer the following questions by selecting the correct/most appropriate options.
Seasons occur due to which of the following reasons?
1
Axis of the Earth makes an angle of 66½º with its orbital plane.
2
Tropic of Capricorn receives direct rays of the sun, falling vertically at 23½º S.
3
Revolution of the Earth and inclination of its axis in the same direction.
4
Circle of illumination caused due to rotation of the earth around its axis.