Answer: C) Moons
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Explanation:
A moon is effectively a large satellite that is not made by humans. This object orbits the planet at some regular interval.
Mars has 2 moons named Phobos and Deimos (named after two greek gods)
Neptune has 14 moons, which I won't name here because the list would be very lengthy.
Side note: Jupiter has the most moons of the solar system. It has 67 moons.
