• 1. 
    In which season Christmas is celebrated in Australia?

  • Winter season
  • Summer season
  • Autumn season
  • Spring season
  • 2. 
    When do equinoxes occur on the earth?

  • March 21
  • September 23
  • Both (a) and (b)
  • None of these
  • 3. 
    Days and nights occur on earth due to

  • rotation
  • revolution
  • both (a) and (b)
  • none of these
  • 4. 
    Change of seasons occurs on earth due to

  • rotation
  • revolution
  • both (a) and (b)
  • none of these
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