Corbel dome : arch like construction method to span a space or void in a structure such as a entryway.
Tholos : Beehive like tomb; Burial structure made out of mud bricks and stones.
Rotunda : Round building or dome.
Hope this helps! :)
Answer is A, tempo markings tell the performer the speed of the music.
A visual artist is someone was able to truly progress and understand the Arts visually and emotionally so that they will be able to complete it
