the days in a year the hours in a day the changes in the atmosphere of Earth the position of the constellations in space
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: The motion of Earth is responsible for several celestial events. Which of the following events is caused by Earth revolving around the sun?
Possibilities:
- the days in a year
- the hours in a day
- the changes in the atmosphere of Earth
- the position of the constellations in space

the days in a year