Answer:
<h2>D.Two staves together</h2>
Explanation:
The Grand Staff is used for piano music and has two staves of five lines that are connected on the left with a brace. The bar lines are drawn through both staves and the space in between them. The top staff uses a treble clef, or G clef, and the bottom staff uses the bass clef, or F clef.
An orchestra is defined as a large instrumental ensemble typical of classical music. An orchestra features bass, brass, strings, woodwinds, and percussions. In the list given above, the section that is not one of the four groups in the orchestral palette is the voices. The answer would be "voices".
I believe the answer is Monochromatic
A color scheme could be categorized as monochromatic if it's derives only from single based hue using additional tints, tones, and shades.
The usage of these will alter the brightness and the saturation of the color just like what we see in the painting.