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PIMSO 2023 - Science - Primary 5 - National Round Question 19

PIMSO Science · PIMSO 2023 - Science - Primary 5 - National Round

Question 19

What is the primary reason why the length of daylight changes throughout the year?
  1. Variation in the Earth's distance from the Sun
  2. Changes in the Earth's rotation speed
  3. The tilt of the Earth's axis
  4. The movement of the Earth in its elliptical orbit
  5. None of the above