The diagram shows some objects in space and their orbits.

A diagram.Short description, A diagram.,Long description,
The objects shown are planets in orbit around the Sun. The first planet from the Sun is Mercury. The second planet is Venus. The third planet is Earth. The Moon is in orbit around Earth.

Question
Which object takes about one month to complete its orbit?

Answer options with 5 options
A.
Mercury

D.
Earth

B.
Venus

E.
Mars

C.
Moon