CTET PAPER 2 · SST

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.
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