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609

Q:

The variation in the duration of the day and the night is due to earth's

  • 1
    rotation on its axis
  • 2
    revolution around the sun
  • 3
    inclination of an angle of 60(1/2) degrees
  • 4
    both (a) and (b)
  • Show Answer
  • Workspace

Answer : 4. "both (a) and (b)"

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