Answer:
A scale is a set of musical notes ordered by fundamental frequency or pitch. A scale is usually ordered by increasing pitch and is called an ascending scale. Scales generally span a single octave. Scales help you understand music, how to solo, improvise, analyse chords, chord progressions and songs among many other aspects of music.
Explanation:
The first one can be seen either way. For me, I saw a vase first. In all of the pictures, the black drawing is considered the positive space and the white background behind it is considered to be the negative space. If you look at the vase picture again and imagine the background to be the black portion, you see two faces.
Hope this helps! :)
