Answer:
In plastic art, relief sculpture is any work which projects from but which belongs to the wall, or other type of background surface, on which it is carved. Reliefs are traditionally classified according to how high the figures project from the background.
Explanation:
-google
A major triad can be created with 3 notes, by starting with a note, like “C” then adding a note a major 3rd higher, “E” which is four half-steps, then on top of that, adding a minor third (3 half steps up), above that G. C-E-G
A major third can start on any notes, using the same formula of major third and a minor third
D-F#-A, Bb-D-F
Eb-G-Bb.....
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