<span>Their role is to support the singer by harmonizing or just repeating the same lyric that he sings after he sings it.</span>
I believe the correct answer is high relief.
When a sculpture is designed to be viewed from one side, and
protrudes dynamically from its background plane (at least half of their natural
circumference of sculpture must protrude from background plane) or is carved with
deeply incised marks is called high relief. For example, high-relief art was
made with marble by Francesco Grassia in Rome.
Question 1 is c. Because that’s how they do it
