Multiple choice

Why does the Earth have changing seasons?

  1. The Sun revolves around the Earth every 365 days.

  2. The Earth revolves around the Sun every 365 days.

  3. The Earth's rotation every 24 hours.

  4. The amount of humidity the Sun creates in the atmosphere.

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The Earth's yearly revolution around the Sun, combined with the tilt of its rotational axis, causes different parts of the Earth to receive varying amounts of direct sunlight throughout the year. This cycle of changing sunlight intensity and duration creates the seasons.