- Earth is a kind of planet
- The earth rotates on its tilted axis
- So, the earth is a planet that rotates on its tilted axis

- The earth is a planet that rotates on its tilted axis
- A planet rotating causes cycles of day and night on that planet
- So, the earth rotating on its tilted axis causes the cycles of day and night on earth

So, the earth rotating on its tilted axis causes the cycles of day and night on earth
What causes nighttime and daytime on Earth?
- Earth is a kind of planet 
- The earth rotates on its tilted axis 
- A planet rotating causes cycles of day and night on that planet