What is the main cause of the change of seasons on Earth ?
What is the main cause of the change of seasons on Earth ?
Solution
✅ Correct Option: 4
Seasons need both factors together. The axis is tilted at about 23.5°, so as Earth revolves around the Sun, different hemispheres receive more direct sunlight at different times of the year. Revolution alone without tilt would give no seasons, rotation causes day and night, and the Moon governs tides.
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