When considering the wavelength of a radio wave - like the kind you hear when listening to music as you drive along - you would be correct to think that the size is this wave is about as long as

A) an atom's nucleus.
B) an atom.
C) a honeybee.
D) a building.

Radio Wave

A type of electromagnetic radiation with wavelengths in the electromagnetic spectrum longer than infrared light, used for long-distance communication.

Atom's Nucleus

The very small, dense region at the center of an atom, containing protons and neutrons, and responsible for most of an atom's mass.