People such as doctors, dentists, veterinarians, lawyers, accountants, contractors, subcontractors, public stenographers, or auctioneers who are in an independent trade, business, or profession in which they offer their services to the general public are generally independent contractors.
Mars is the fourth planet from the sun. Mars has  two Moons, Phobos and Deimos. They were both discovered in 1877, by Asaph Hall at the Naval Observatory in Washington DC. Phobos is the larger one of Marsâ moons, and it orbits closer to the surface of Mars than Deimos does.
Many planets in our solar system have more than one moon. Mars has two moons, Jupiter has 67, Saturn 62, Uranus 27, Neptune 14. Those numbers keep changing, and you can see a relatively current count of solar system moons here from NASAâs Jet Propulsion Laboratory.