Provide your best answer for the following question. Give ONLY the answer, no other words or explanation.
For example:

Answer: <most likely answer, as short as possible; not a complete sentence, just the answer!>.

The question is: The motion of Earth is responsible for several celestial events. Which of the following events is caused by Earth revolving around the sun?
the days in a year
Solar eclipses, seasons, and orbits of planets around the sun. (Note: Solar eclipses occur when the Moon passes