The correct answer is (c) Mercury.
Mercury is the closest planet to the Sun and the smallest planet in the Solar System. It is named after the Roman god Mercury, the messenger of the gods. Mercury is a terrestrial planet with a solid surface. It has no atmosphere and is very hot during the day and very cold at night. Mercury is the fastest planet in the Solar System, orbiting the Sun once every 88 Earth days.
Venus is the second planet from the Sun and the hottest planet in the Solar System. It is named after the Roman goddess of love and beauty. Venus is a terrestrial planet with a solid surface. It has a thick atmosphere of carbon dioxide, which traps heat and makes the planet very hot. Venus is the only planet in the Solar System that rotates clockwise.
Mars is the fourth planet from the Sun and the second-smallest planet in the Solar System. It is named after the Roman god of war. Mars is a terrestrial planet with a solid surface. It has a thin atmosphere of carbon dioxide and is very cold. Mars has two moons, Phobos and Deimos.
Jupiter is the fifth planet from the Sun and the largest planet in the Solar System. It is named after the Roman god Jupiter, the king of the gods. Jupiter is a gas giant with a thick atmosphere of hydrogen and helium. It has a strong magnetic field and a large number of moons.
In conclusion, the nearest planet to the Earth is Mercury.