The outline of a garment,sometimes called the silhouette.
I think it would be D. The artwork would be successful not just because of what is portrayed, but how it fits the guidelines and how ideas are expressed.
A. A gas is made of tiny particles
A serenade is a musical composition that's light in mood! Typically, these are sung by a male to his lover outside, and are written for a small ensemble of musicians. Mozart, among other famous musicians, also wrote serenades that helped the genre gain popularity.
