The Earth rotates on its axis. The Sun rotates on its axis. The Earth's axis is tilted. The Earth revolves around the Sun.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which statement explains why daylight and darkness occur on Earth?
Possibilities:
- The Earth rotates on its axis.
- The Sun rotates on its axis.
- The Earth's axis is tilted.
- The Earth revolves around the Sun.

The Earth rotates on its axis.