- The moon orbiting the earth occurs once per month
- The moon 's orbit is elliptical
- So, the moon orbits the earth in an elliptical orbit once per month

Hence, the moon orbits the earth in an elliptical orbit once per month
Question: Which best describes the orbit of the Moon around Earth?
Context: - The moon orbiting the earth occurs once per month 
- The moon 's orbit is elliptical