Armando is going to create a futuristic city, so he knows that he will need many layers. What will the first layer be? the residents of the buildings

the basic shapes of the buildings

the decorative touches on the buildings

the colors used to illustrate the buildings

The basic shapes of the building but i'm not 100 % sure

Explanation:

You'd need a building before the residents come

a chromatic scale uses the twelve tones of the octave, while a regular scale only uses eight, or seven different notes (as the first note is played twice)