Which of the following refers to the repetition and patterns created by similar or varying design elements in composition?

The answer is gradation.
i had this same question lol

The linear perspective changed the quality of art because it gave art a sense of reality. it gave the illusion that the background and surroundings were actually close and/or far and a sense of depth. linear perspective change the quality of art following its birth the renaissance period as they want the art to be more realistic and they believe one way to achieve it is to use the method of linear perspective. it uses the principle of math to realistically portray space and depth in art. 

Ithink collage romare bearden create emotional affecting images because we was able incorporate the use of crafts such as, craftwork quilts which was something learned by the necessity of making artwork out of whatever materials were available. it allows him to express his belief in the connection between social reality and art. he is able to share his personal experiences as an african-american, from the rural south to the urban north and to paris, through his work.