True A special case of contrast of hue is contrast of warm and cold colors. The way the human eye works, cold colors appear to be more distant, while warmer colors appear to be closer. This means that it is a good idea to use a warm color for a symbol or menu, and to use the cold colors for backgrounds.
Prior because it means before
Answer:
Natural minor
Explanation:
D Major would have an F# and C#, so it must be a minor -- d minor.
The relative major of d minor is F Major, so the key signature is b flat. There aren't any other accidentals, meaning it's not melodic or harmonic minor.