That would be a minor 3rd as D (in the key of D major anyway) is the root or tonic, and F is the 3rd(minor).
Contrasting colors. You focus on the person with the umbrella because it's a black figure against a white background.
<span>I believe the correct answer an arch.</span>
The resulting architectural form of dome, a rounded
vault forming the roof of a building or structure, is generated by rotating an
arch 360 degrees about a vertical central axis. Dome, in the modern world, is
usually found over religious buildings, legislative chambers, sports stadiums,
and a variety of functional structures.
